diff --git a/Doc/DML Documentation.pdf b/Doc/DML Documentation.pdf
index 0574cc6..f36ed65 100644
Binary files a/Doc/DML Documentation.pdf and b/Doc/DML Documentation.pdf differ
diff --git a/Doc/DML Quick Reference.pdf b/Doc/DML Quick Reference.pdf
index 973547a..461433a 100644
Binary files a/Doc/DML Quick Reference.pdf and b/Doc/DML Quick Reference.pdf differ
diff --git a/modules/cfxZones.lua b/modules/cfxZones.lua
index fcaa3ea..dfca4a5 100644
--- a/modules/cfxZones.lua
+++ b/modules/cfxZones.lua
@@ -5,7 +5,7 @@
 -- Copyright (c) 2021, 2022 by Christian Franz and cf/x AG
 --
 cfxZones = {}
-cfxZones.version = "2.7.9"
+cfxZones.version = "2.8.1"
 --[[-- VERSION HISTORY
  - 2.2.4 - getCoalitionFromZoneProperty
          - getStringFromZoneProperty
@@ -80,7 +80,8 @@ cfxZones.version = "2.7.9"
 		  - unpulse 
 - 2.7.9   - getFlagValue QoL for <none>
           - setFlagValue QoL for <none>
-		  
+- 2.8.0	  - new allGroupNamesInZone()
+- 2.8.1   - new zonesLinkedToUnit()  
  
 --]]--
 cfxZones.verbose = false
@@ -599,6 +600,22 @@ function cfxZones.allGroupsInZone(theZone, categ) -- categ is optional, must be
 	return inZones
 end
 
+function cfxZones.allGroupNamesInZone(theZone, categ) -- categ is optional, must be code 
+	-- warning: does not check for exiting!
+	--trigger.action.outText("Zone " .. theZone.name .. " radius " .. theZone.radius, 30)
+	local inZones = {}
+	local coals = {0, 1, 2} -- all coalitions
+	for idx, coa in pairs(coals) do 
+		local allGroups = coalition.getGroups(coa, categ)
+		for key, group in pairs(allGroups) do -- iterate all groups
+			if cfxZones.isGroupPartiallyInZone(group, theZone) then
+				table.insert(inZones, group:getName())
+			end
+		end
+	end
+	return inZones
+end
+
 function cfxZones.allStaticsInZone(theZone) -- categ is optional, must be code 
 	-- warning: does not check for exiting!
 	local inZones = {}
@@ -1928,6 +1945,17 @@ function cfxZones.linkUnitToZone(theUnit, theZone, dx, dy) -- note: dy is really
 	theZone.dy = dy 
 end
 
+function cfxZones.zonesLinkedToUnit(theUnit) -- returns all zones linked to this unit 
+	if not theUnit then return {} end 
+	local linkedZones = {}
+	for idx, theZone in pairs (cfxZones.zones) do 
+		if theZone.linkedUnit == theUnit then 
+			table.insert(linkedZones, theZone)
+		end
+	end
+	return linkedZones
+end
+
 function cfxZones.updateMovingZones()
 	cfxZones.updateSchedule = timer.scheduleFunction(cfxZones.updateMovingZones, {}, timer.getTime() + 1/cfxZones.ups)
 	-- simply scan all cfx zones for the linkedUnit property and if there
diff --git a/modules/groupTrackers.lua b/modules/groupTrackers.lua
index 12f87b7..e082718 100644
--- a/modules/groupTrackers.lua
+++ b/modules/groupTrackers.lua
@@ -1,5 +1,5 @@
 groupTracker = {}
-groupTracker.version = "1.1.2"
+groupTracker.version = "1.1.3"
 groupTracker.verbose = false 
 groupTracker.ups = 1 
 groupTracker.requiredLibs = {
@@ -17,7 +17,9 @@ groupTracker.trackers = {}
 	1.1.1 - corrected clone zone reference bug
 	1.1.2 - corrected naming (removed bang from flags), deprecated old
 		  - more zone-local verbosity
-	
+	1.1.3 - spellings
+		  - addGroupToTrackerNamed bug removed accessing tracker 
+		  - new removeGroupNamedFromTrackerNamed()
 --]]--
 
 function groupTracker.addTracker(theZone)
@@ -56,7 +58,7 @@ function groupTracker.addGroupToTracker(theGroup, theTracker)
 	end
 
 	if groupTracker.verbose or theTracker.verbose then 
-		trigger.action.outText("+++gTrk: will add group <" .. theGroup:getName() .. "> to tracker " .. theTracker.name, 30)
+		trigger.action.outText("+++gTrk: adding group <" .. theGroup:getName() .. "> to tracker " .. theTracker.name, 30)
 	end 
 	
 	-- we have the tracker, add the group 
@@ -86,14 +88,59 @@ function groupTracker.addGroupToTrackerNamed(theGroup, trackerName)
 	end
 	
 	if not theGroup:isExist() then 
-		trigger.action.outText("+++gTrk: group does not exist in when adding to tracker <" .. trackerName .. ">", 30)
+		trigger.action.outText("+++gTrk: group does not exist when adding to tracker <" .. trackerName .. ">", 30)
 		return 
 	end 
 	
+	local theTracker = groupTracker.getTrackerByName(trackerName)
+	if not theTracker then return end 
 	
 	groupTracker.addGroupToTracker(theGroup, theTracker)
 end
 
+function groupTracker.removeGroupNamedFromTrackerNamed(gName, trackerName)
+	local theTracker = groupTracker.getTrackerByName(trackerName)
+	if not theTracker then return end 
+	if not gName then 
+		trigger.action.outText("+++gTrk: <nil> group name in removeGroupNameFromTrackerNamed <" .. trackerName .. ">", 30)
+		return 
+	end 
+	
+	local filteredGroups = {}
+	local foundOne = false 
+	for idx, aGroup in pairs(theTracker.trackedGroups) do 
+		if aGroup:getName() == gName then 
+			-- skip and remember 
+			foundOne = true 
+		else 
+			table.insert(filteredGroups, aGroup)
+		end
+	end
+	if (not foundOne) and (theTracker.verbose or groupTracker.verbose) then 
+		trigger.action.outText("+++gTrk: Removal Request Note: group <" .. gName .. "> wasn't tracked by <" .. trackerName .. ">", 30)
+	end 
+	
+	-- remember the new, cleanded set
+	theTracker.trackedGroups = filteredGroups
+	
+	
+	if foundOne then 
+		if theTracker.verbose or groupTracker.verbose then 
+			trigger.action.outText("+++gTrk: removed group <" .. gName .. "> from tracker <" .. trackerName .. ">", 30)
+		end 
+		
+		-- now bang/invoke addGroup!
+		if theTracker.tRemoveGroup then 
+			cfxZones.pollFlag(theTracker.tRemoveGroup, "inc", theTracker)
+		end
+	
+		-- now set numGroups
+		if theTracker.tNumGroups then 
+			cfxZones.setFlagValue(theTracker.tNumGroups, #theTracker.trackedGroups, theTracker)
+		end
+	end 
+end
+
 -- read zone 
 function groupTracker.createTrackerWithZone(theZone)
 	-- init group tracking set 
diff --git a/modules/impostors.lua b/modules/impostors.lua
new file mode 100644
index 0000000..5ac854b
--- /dev/null
+++ b/modules/impostors.lua
@@ -0,0 +1,559 @@
+impostors={}
+
+impostors.version = "1.0.0"
+impostors.verbose = false  
+impostors.ups = 1
+impostors.requiredLibs = {
+	"dcsCommon", -- always
+	"cfxZones", -- Zones, of course 
+	"cfxMX", 
+}
+
+impostors.impostorZones = {}
+--impostors.impostors = {} -- these are sorted by name of the orig group and contain the units by name of the impostors
+impostors.callbacks = {}
+impostors.uniqueCounter = 8200000 -- clones start at 9200000
+
+--[[--
+  LIMITATIONS:
+  must be on ground (or would be very silly
+  does not work with any units deployed on ships
+  Positioning AI Planed (ME shortcoming): add a waypoint so it orients itself.
+  
+--]]--
+
+--
+-- adding / removing from list 
+--
+function impostors.addImpostorZone(theZone)
+	table.insert(impostors.impostorZones, theZone)
+end
+
+function impostors.getCloneZoneByName(aName) 
+	for idx, aZone in pairs(impostors.impostorZones) do 
+		if aName == aZone.name then return aZone end 
+	end
+	if impostors.verbose then 
+		trigger.action.outText("+++ipst: no impostor with name <" .. aName ..">", 30)
+	end 
+	
+	return nil 
+end
+
+
+--
+-- spawn impostors from data 
+--
+function impostors.uniqueID()
+	local uid = impostors.uniqueCounter
+	impostors.uniqueCounter = impostors.uniqueCounter + 1
+	return uid 
+end
+
+function impostors.spawnImpostorsFromData(rawData, cat, ctry) 
+	local theImpostors = {}
+		-- we iterate a group's raw data unit by unit and create 
+		-- a static for each unit, named exactly as the original unit 
+		-- modifies rawData for use later
+		for idx, unitData in pairs(rawData.units) do 
+			-- build impostor record 
+			local ir = {}
+			ir.heading = unitData.heading
+			ir.type = unitData.type
+			ir.name = rawData.name .. "-" .. tostring(impostors.uniqueID())
+			ir.groupID = impostors.uniqueID()
+			ir.unitId = impostors.uniqueID()
+			theImpostors[unitData.name] = ir.name -- for lookup later 
+			ir.x = unitData.x
+			ir.y = unitData.y 
+			ir.livery_id = unitData.livery_id
+			
+			if impostors.verbose then 
+				trigger.action.outText("+++impostoring unit <" .. unitData.name .. ">: name <" .. ir.name .. ">, x <" .. ir.x .. ">, y <" .. ir.y .. ">, heading <" .. ir.heading .. ">, type <" .. ir.type .. "> ", 30)
+			end 
+			local linkedZones = unitData.linkedZones
+			-- spawn the impostor 
+			local theImp = coalition.addStaticObject(ctry, ir)
+			-- relink linked zones to this 
+			if #linkedZones > 0 then 
+				for idx, theZone in pairs(linkedZones) do 
+					theZone.linkedUnit = theImp
+					if theZone.verbose then 
+						trigger.action.outText("+++ipst: imp-linked zone <" .. theZone.name .. "> to imp <" .. theImp:getName() .. ">", 30)
+					end
+				end
+			end 
+		end
+	return theImpostors
+end
+--
+-- read impostor zone 
+--
+
+function impostors.getRawDataFromGroupNamed(gName)
+	if gName then 
+		theGroup = Group.getByName(gName)
+		if not theGroup then 
+			trigger.action.outText("+++ipst: getRawDataFromGroupName cant find group <" .. gName .. ">", 30)
+			return nil, nil, nil
+		end
+	else 
+		trigger.action.outText("+++ipst: getRawDataFromGroupName has no name to look up", 30)
+		return nil, nil, nil 
+	end 
+	local groupName = gName
+	local cat = theGroup:getCategory()
+	-- access mxdata for livery because getDesc does not return the livery 	
+	local liveries = {} 
+	local mxData = cfxMX.getGroupFromDCSbyName(gName)
+	for idx, theUnit in pairs (mxData.units) do 
+		liveries[theUnit.name] = theUnit.livery_id
+	end 
+	
+	local ctry
+	local gID = theGroup:getID()
+	local allUnits = theGroup:getUnits()
+	local rawGroup = {}
+	rawGroup.name = groupName
+	local rawUnits = {}
+	for idx, theUnit in pairs(allUnits) do 
+		local ir = {}
+		local unitData = theUnit:getDesc()
+		-- build record 
+		ir.heading = dcsCommon.getUnitHeading(theUnit)
+		ir.name = theUnit:getName()
+		ir.type = unitData.typeName -- warning: fields are called differently! typename vs type
+		ir.livery_id = liveries[ir.name] -- getDesc does not return livery
+		ir.groupId = gID
+		ir.unitId = theUnit:getID()
+		local up = theUnit:getPoint()
+		ir.x = up.x
+		ir.y = up.z -- !!! warning! 
+		-- see if any zones are linked to this unit 
+		ir.linkedZones = cfxZones.zonesLinkedToUnit(theUnit)
+		
+		table.insert(rawUnits, ir)
+		ctry = theUnit:getCountry()
+	end
+	rawGroup.ctry = ctry 
+	rawGroup.cat = cat 
+	rawGroup.units = rawUnits 
+	return rawGroup, cat, ctry
+end
+
+
+function impostors.createImpostorWithZone(theZone) -- has "impostor?"
+	if impostors.verbose or theZone.verbose then 
+		trigger.action.outText("+++ipst: new impostor " .. theZone.name, 30)
+	end
+
+	-- the impostor? is the flag. we always have it.
+	-- must match aZone.impostorFlag, aZone.impostorTriggerMethod, "lastImpostorValue"
+	theZone.impostorFlag = cfxZones.getStringFromZoneProperty(theZone, "impostor?", "*<none>")
+	theZone.lastImpostorValue = cfxZones.getFlagValue(theZone.impostorFlag, theZone)
+	
+	if cfxZones.hasProperty(theZone, "reanimate?") then 
+		theZone.reanimateFlag = cfxZones.getStringFromZoneProperty(theZone, "reanimate?", "*<none>")
+		theZone.lastReanimateValue = cfxZones.getFlagValue(theZone.reanimateFlag, theZone)
+	end 
+	
+	-- watchflag:
+	-- triggerMethod
+	theZone.impostorTriggerMethod = cfxZones.getStringFromZoneProperty(theZone, "triggerMethod", "change")
+	
+	if cfxZones.hasProperty(theZone, "impostorTriggerMethod") then 
+		theZone.impostorTriggerMethod = cfxZones.getStringFromZoneProperty(theZone, "impostorTriggerMethod", "change")
+	end
+
+--	local localGroups = impostors.allGroupsInZoneByData(theZone)  
+	theZone.groupNames = cfxZones.allGroupNamesInZone(theZone)
+	theZone.impostor = false -- we have not yet turned units into impostors
+	theZone.myImpostors = {} 
+	theZone.origin = cfxZones.getPoint(theZone) -- save reference point for all groupVectors 
+
+	theZone.onStart = cfxZones.getBoolFromZoneProperty(theZone, "onStart", false) 
+	
+	-- blinking
+	theZone.blinkTime = cfxZones.getNumberFromZoneProperty(theZone, "blink", -1)
+	theZone.blinkCount = 0 
+	
+	-- interface to groupTracker tbc 
+	if cfxZones.hasProperty(theZone, "trackWith:") then 
+		theZone.trackWith = cfxZones.getStringFromZoneProperty(theZone, "trackWith:", "<None>")
+	end
+	
+	-- check onStart, and act accordingly
+	if theZone.onStart then
+		impostors.turnZoneIntoImpostors(theZone)
+	end 
+	
+	-- all dead
+	if cfxZones.hasProperty(theZone, "allDead!") then 
+		theZone.allDead = cfxZones.getStringFromZoneProperty(theZone, "allDead", "<None>")
+	end
+	
+	theZone.impostorMethod = cfxZones.getStringFromZoneProperty(theZone, "method", "inc")
+	if cfxZones.hasProperty(theZone, "impostorMethod") then 
+		theZone.impostorMethod = cfxZones.getStringFromZoneProperty(theZone, "impostorMethod", "inc")
+	end
+	
+	-- declare all units as alive 
+	theZone.allImpsDead = false 
+	-- we end with group replaced by impostors 
+end
+
+
+-- 
+-- Spawning
+--
+
+-- REAL --> IMP
+function impostors.turnGroupsIntoImpostors(theZone)
+--	can be handed an array of strings or groups.
+-- returns a dict of impostors, indexed by group names
+	local theGroupNames = theZone.groupNames
+	local myImpostors = {}
+	for idx, aGroupName in pairs(theGroupNames) do
+		local gName = aGroupName
+		if type(gName) == "table" then -- this is a group. get its name 
+			trigger.action.outText("+++ipst: converting table gName to string in turnGroupsIntoImpostors",30)
+			gName = gName:getName()
+		end 
+		if not gName then 
+			trigger.action.outText("+++ipst: nil group name in turnGroupsIntoImpostors",30)
+			return nil 
+		end 
+		local aGroup = Group.getByName(gName)
+		if aGroup and gName then 
+			-- record unit data to create impostors
+			local rawData, cat, ctry = impostors.getRawDataFromGroupNamed(gName)
+			-- if we are tracking the group, remove it from tracker 
+			if theZone.trackWith and groupTracker.removeGroupNamedFromTrackerNamed then 
+				groupTracker.removeGroupNamedFromTrackerNamed(gName, theZone.trackWith)
+			end
+			
+			-- despawn the group. we'll spawn statics now
+			-- we may do some book-keeping first for the 
+			-- names. we'll see later 
+			Group.destroy(aGroup)
+--			local rawData, cat, ctry = cfxMX.getGroupFromDCSbyName(gName)
+--			local origID = rawData.groupId -- may be redundant 
+			-- now spawn impostors based on the rawData, 
+			-- and return impostorGroup
+			local impostorGroup = impostors.spawnImpostorsFromData(rawData, cat, ctry) 
+			myImpostors[gName] = impostorGroup
+		end 	
+	end
+	return myImpostors
+end
+
+function impostors.turnZoneIntoImpostors(theZone)
+	if theZone.verbose then 
+		trigger.action.outText("+++ipst: creating impostors for zone <" .. theZone.name ..">", 30)
+	end
+	theZone.myImpostors = impostors.turnGroupsIntoImpostors(theZone)
+	if theZone.myImpostors then 
+		theZone.impostor = true 
+	else 
+		if theZone.verbose or impostors.verbose then 
+			trigger.action.outText("+++ipst: groups to impostors failed for <" .. theZone.name .. ">",30)
+		end 
+	end
+end
+
+-- IMP --> REAL
+function impostors.relinkZonesForGroup(relinkZones, newGroup)
+	-- may be called sync and async!
+	local allUnits = newGroup:getUnits()
+	for idx, theUnit in pairs(allUnits) do 
+		local unitName = theUnit:getName()
+		local linkedZones = relinkZones[unitName]
+		if linkedZones and #linkedZones > 0 then 
+			for idy, theZone in pairs(linkedZones) do 
+				theZone.linkedUnit = theUnit
+				if theZone.verbose then 
+					trigger.action.outText("+++ipst: re-linked zone <" .. theZone.name .. "> to unit <" .. unitName .. ">", 30)
+				end 
+			end
+		end 
+	end
+end
+
+function impostors.spawnGroupsFromImpostor(theZone)
+	-- turn zone's impostors (static objects) into units
+	if theZone.verbose or impostors.verbose then 
+		trigger.action.outText("+++ipst: spawning for impostor <" .. theZone.name .. ">", 30)
+	end
+	
+	if not theZone.impostor then 
+		if theZone.verbose or impostors.verbose then 
+			trigger.action.outText("+++ipst: <> groups are not impostors.", 30)
+		end
+		return 
+	end
+	
+	local deadUnits = {} -- collect all dead units for immediate delete 
+						 -- after spawning 
+						 
+	for idx, groupName in pairs(theZone.groupNames) do 
+		-- get my group data from MX based on my name 
+		-- we get from MX so we get all path and order info 
+		local rawData, cat, ctry = cfxMX.getGroupFromDCSbyName(groupName)
+		local impostorGroup = theZone.myImpostors[groupName]
+		local relinkZones = {}
+		-- now iterate all units in that group, and remove their impostors
+		for idy, theUnit in pairs(rawData.units) do 
+			local impName = impostorGroup[theUnit.name]
+			local impStat = StaticObject.getByName(impName)
+			if impStat and impStat:isExist() and impStat:getLife() > 1 then 
+				-- still alive. read x, y and heading 
+				local sp = impStat:getPoint()
+				theUnit.x = sp.x 
+				theUnit.y = sp.z -- !!!
+				theUnit.heading = dcsCommon.getUnitHeading(impStat) -- should also work for statics
+				-- should automatically handle ["livery_id"]
+				relinkZones[theUnit.name] = cfxZones.zonesLinkedToUnit(impStat)
+			else 
+				-- dead 
+				table.insert(deadUnits, theUnit.name)
+			end
+			-- destroy imp
+			if impStat and impStat:isExist() then 
+				impStat:destroy()
+			end
+		end
+		
+		-- destroy impostor info 
+		theZone.myImpostors[groupName] = nil 
+		theZone.impostor = false 
+		
+		-- now create the group 
+		if theZone.blinkTime <= 0 then 
+			-- immediate spawn
+			local newGroup = coalition.addGroup(ctry, cfxMX.catText2ID(cat), rawData)
+			impostors.relinkZonesForGroup(relinkZones, newGroup)
+			if theZone.trackWith and groupTracker.addGroupToTrackerNamed then 
+				-- add these groups to the group tracker 
+				if theZone.verbose or impostors.verbose then 
+					trigger.action.outText("+++ipst: attempting to add group <" .. newGroup:getName() .. "> to tracker <" .. theZone.trackWith .. ">", 30)
+				end 
+				groupTracker.addGroupToTrackerNamed(newGroup, theZone.trackWith)
+			end
+		else 
+			-- scheduled spawn 
+			theZone.blinkCount = theZone.blinkCount + 1 -- so healthcheck avoids false positives
+			local args = {}
+			args.ctry = ctry 
+			args.cat = cfxMX.catText2ID(cat)
+			args.rawData = rawData
+			args.theZone = theZone 
+			args.relinkZones = relinkZones
+			timer.scheduleFunction(impostors.delayedSpawn, args, timer.getTime() + theZone.blinkTime)
+		end
+	end
+	
+	-- now remove all dead units 
+	if theZone.blinkTime <= 0 then 
+		for idx, unitName in pairs(deadUnits) do 
+			local theUnit = Unit.getByName(unitName)
+			if theUnit then 
+				theUnit:destroy() -- BAD BAD BAD!!!! do some guarding, mon!
+			end 
+		end
+	else 
+		-- schedule removal of all dead units for later 
+		timer.scheduleFunction(impostors.delayedCleanup, deadUnits, timer.getTime() + theZone.blinkTime + 0.1)
+	end 
+	theZone.myImpostors = nil 
+end 
+
+function impostors.delayedSpawn(args) 
+	local rawData = args.rawData 
+	local cat = args.cat 
+	local ctry = args.ctry 
+	local theZone = args.theZone 
+	local relinkZones = args.relinkZones
+	if theZone.verbose or impostors.verbose then 
+		trigger.action.outText("+++ipst: delayed spawn for group <" .. rawData.name .. "> of zone <" .. theZone.name .. ">", 30)
+	end 
+	local newGroup = coalition.addGroup(ctry, cat, rawData)
+	impostors.relinkZonesForGroup(relinkZones, newGroup)
+
+	if theZone.trackWith and groupTracker.addGroupToTrackerNamed then 
+		-- add these groups to the group tracker 
+		if theZone.verbose or impostors.verbose then 
+			trigger.action.outText("+++ipst: attempting to add group <" .. newGroup:getName() .. "> to tracker <" .. theZone.trackWith .. ">", 30)
+		end 
+		groupTracker.addGroupToTrackerNamed(newGroup, theZone.trackWith)
+	end
+	-- close TRX bracket for blinking, health check can proceed 
+	theZone.blinkCount = theZone.blinkCount - 1 
+end
+
+function impostors.delayedCleanup(deadUnits)
+	for idx, unitName in pairs(deadUnits) do 
+		local theUnit = Unit.getByName(unitName)
+		if theUnit then 
+			theUnit:destroy() -- BAD BAD BAD!!!! do some guarding, mon!
+		end 
+	end
+end
+
+-- 
+-- healthCheck
+--
+function impostors.healthCheck(theZone)
+	-- make sure there is at least one living unit left 
+	-- if not, bang!
+	if theZone.allImpsDead then return end -- we are already dead 
+	
+	if theZone.impostor then 
+		-- we have impostors. Check until you find the first live ones 
+		for gName, impNames in pairs (theZone.myImpostors) do 
+			-- impNames are the names of all the static objects 
+			-- in this group 
+			for idx, theImpName in pairs (impNames) do 
+				local theImp = StaticObject.getByName(theImpName)
+				if theImp and theImp:isExist() then 
+					local life = theImp:getLife()
+					if life > 1 then 
+						-- all is well, at least one imp alive 
+						return 
+					end 
+				end
+			end 
+		end 
+		-- when we get here, all imps are dead, 
+		-- drop through 
+		if theZone.verbose or impostors.verbose then 
+			trigger.action.outText("+++ipst: Zone <" .. theZone.name .. "> - all impostors destroyed. Removing.", 30)
+		end
+	else 
+		-- we have real groups. Let's iterate
+		if theZone.blinkCount > 0 then return end -- blinking, no healtch check 
+		theZone.BlinkCount = 0 -- just in case it went negative 
+		
+		for idx, groupName in pairs(theZone.groupNames) do 
+			local theGroup =  Group.getByName(groupName)
+			if theGroup and theGroup:isExist() then 
+				local allUnits = theGroup:getUnits()
+				for idy, aUnit in pairs (allUnits) do 
+					if aUnit:isExist() then 
+						local life = aUnit:getLife()
+						if life > 1 then 
+							return -- all is well
+						end
+					end 
+				end 
+			end
+		end
+		-- if we get here, all units ded
+		if theZone.verbose or impostors.verbose then 
+			trigger.action.outText("+++ipst: Zone <" .. theZone.name .. "> - all active units destroyed. Removing.", 30)
+		end
+	end
+	
+	-- when we get here , all are ded
+	theZone.allImpsDead = true 
+	if theZone.allDead then 
+		cfxZones.pollFlag(theZone.allDead, theZone.impostorMethod, theZone) 
+	end
+end
+
+--
+-- Update
+--
+function impostors.update()
+	timer.scheduleFunction(impostors.update, {}, timer.getTime() + 1/impostors.ups)
+	
+	for idx, aZone in pairs(impostors.impostorZones) do
+		-- first perform health check on all zones 
+		impostors.healthCheck(aZone)
+		
+		-- now see if we received signals 
+		if not aZone.allImpsDead then 
+			-- see if we got impostor? command
+			if cfxZones.testZoneFlag(aZone, aZone.impostorFlag, aZone.impostorTriggerMethod, "lastImpostorValue") then
+				if impostors.verbose or aZone.verbose then 
+					trigger.action.outText("+++ipst: turn group to impostors triggered for <" .. aZone.name .. "> on <" .. aZone.impostorFlag .. ">", 30)
+				end
+				impostors.turnZoneIntoImpostors(aZone)			
+			end
+			
+			if aZone.reanimateFlag and cfxZones.testZoneFlag(aZone, aZone.reanimateFlag, aZone.impostorTriggerMethod, "lastReanimateValue") then
+				if impostors.verbose or aZone.verbose then 
+					trigger.action.outText("+++ipst: impostor to live groups spawn triggered for <" .. aZone.name .. "> on <" .. aZone.impostorFlag .. ">", 30)
+				end
+				impostors.spawnGroupsFromImpostor(aZone)
+			end
+		else 
+			-- nothing to do, all dead 
+		end
+	end
+end
+
+
+--
+-- start 
+-- 
+function impostors.readConfigZone()
+	local theZone = cfxZones.getZoneByName("impostorsConfig") 
+	if not theZone then 
+		if impostors.verbose then 
+			trigger.action.outText("+++ipst: NO config zone!", 30)
+		end 
+		theZone = cfxZones.createSimpleZone("impostorsConfig")
+	end 
+	
+	impostors.ups = cfxZones.getNumberFromZoneProperty(theZone, "ups", 1)
+	
+	impostors.verbose = cfxZones.getBoolFromZoneProperty(theZone, "verbose", false)
+	
+	if impostors.verbose then 
+		trigger.action.outText("+++ipst: read config", 30)
+	end 
+end
+
+function impostors.start()
+	-- lib check
+	if not dcsCommon.libCheck then 
+		trigger.action.outText("cfx Impostors requires dcsCommon", 30)
+		return false 
+	end 
+	if not dcsCommon.libCheck("cfx Impostors", 
+		impostors.requiredLibs) then
+		return false 
+	end
+	
+	-- read config 
+	impostors.readConfigZone()
+	
+	-- process cloner Zones 
+	local attrZones = cfxZones.getZonesWithAttributeNamed("impostor?")
+	
+	-- now create an rnd gen for each one and add them
+	-- to our watchlist 
+	for k, aZone in pairs(attrZones) do 
+		impostors.createImpostorWithZone(aZone) -- process attribute and add to zone
+		impostors.addImpostorZone(aZone) -- remember it so we can smoke it
+	end
+	
+	-- start update 
+	impostors.update()
+	
+	trigger.action.outText("cfx Impostors v" .. impostors.version .. " started.", 30)
+	return true 
+end
+
+-- let's go!
+if not impostors.start() then 
+	trigger.action.outText("cf/x Impostors aborted: missing libraries", 30)
+	impostors = nil 
+end
+
+--[[--
+To do
+- reset? flag: will reset all to MX locationS
+- add a zone's follow ability to impostors by allowing linkedUnit to work with impostors 
+
+--]]--
\ No newline at end of file
diff --git a/modules/radioMenus.lua b/modules/radioMenus.lua
index b49701c..407b9fa 100644
--- a/modules/radioMenus.lua
+++ b/modules/radioMenus.lua
@@ -253,4 +253,5 @@ end
 --[[--
 	to do: turn on/off via flags
 	callbacks for the menus 
+	one-shot items 
 --]]--
\ No newline at end of file
diff --git a/tutorial & demo missions/demo - Impossible Impostors.miz b/tutorial & demo missions/demo - Impossible Impostors.miz
new file mode 100644
index 0000000..8bb56ab
Binary files /dev/null and b/tutorial & demo missions/demo - Impossible Impostors.miz differ