part 4: the one where i slowly go insane

code/game/objects/items/pinpointer.dm

@@ -17,6 +17,7 @@
 	var/active = FALSE
 	var/atom/movable/target //The thing we're searching for
 	var/minimum_range = 0 //at what range the pinpointer declares you to be at your destination
+	var/ignore_suit_sensor_level = FALSE // Do we find people even if their suit sensors are turned off
 	var/alert = FALSE // TRUE to display things more seriously
 
 /obj/item/pinpointer/Initialize()
@@ -77,6 +78,8 @@
 	name = "crew pinpointer"
 	desc = "A handheld tracking device that points to crew suit sensors."
 	icon_state = "pinpointer_crew"
+	var/has_owner = FALSE
+	var/pinpointer_owner = null
 
 /obj/item/pinpointer/crew/proc/trackable(mob/living/carbon/human/H)
 	var/turf/here = get_turf(src)
@@ -101,7 +104,11 @@
 		STOP_PROCESSING(SSfastprocess, src)
 		update_icon()
 		return
-
+	if (has_owner && !pinpointer_owner)
+		pinpointer_owner = user
+	if (pinpointer_owner && pinpointer_owner != user)
+		to_chat(user, "<span class='notice'>The pinpointer doesn't respond. It seems to only recognise its owner.</span>")
+		return
 	var/list/name_counts = list()
 	var/list/names = list()