incorporates code comments

code/__HELPERS/mobs.dm

@@ -624,16 +624,18 @@ GLOBAL_LIST_INIT(do_after_once_tracker, list())
 		return
 	return M.playtime_role ? M.playtime_role : M.assigned_role	//returns current role
 
-//checks the security force on station and returns a list of numbers, of the form:
-// total, active, dead, antag
-// where active is defined as conscious (STAT = 0) and not an antag
+/**	checks the security force on station and returns a list of numbers, of the form:
+ * 	total, active, dead, antag
+ * 	where active is defined as conscious (STAT = 0) and not an antag
+*/
 /proc/check_active_security_force()
 	var/sec_positions = GLOB.security_positions - "Magistrate" - "Brig Physician"
 	var/total = 0
 	var/active = 0
 	var/dead = 0
 	var/antag = 0
-	for(var/mob/living/carbon/human/player in GLOB.human_list)
+	for(var/p in GLOB.human_list)	//contains only human mobs, so no type check needed
+		var/mob/living/carbon/human/player = p	//need to tell it what type it is or we can't access stat without the dreaded :
 		if(determine_role(player) in sec_positions)
 			total++
 			if(player.stat == DEAD)