diff --git a/code/modules/shuttle/supply.dm b/code/modules/shuttle/supply.dm
index aba37b37a55..44c13e39c76 100644
--- a/code/modules/shuttle/supply.dm
+++ b/code/modules/shuttle/supply.dm
@@ -61,17 +61,61 @@ GLOBAL_LIST_INIT(blacklisted_cargo_types, typecacheof(list(
 /obj/docking_port/mobile/supply/proc/check_blacklist(areaInstances)
 	for(var/place in areaInstances)
 		var/area/shuttle/shuttle_area = place
-		for(var/turf/shuttle_turf in shuttle_area)
+		for(var/turf/shuttle_turf in shuttle_area.get_contained_turfs())
 			for(var/atom/passenger in shuttle_turf.get_all_contents())
 				if((is_type_in_typecache(passenger, GLOB.blacklisted_cargo_types) || HAS_TRAIT(passenger, TRAIT_BANNED_FROM_CARGO_SHUTTLE)) && !istype(passenger, /obj/docking_port))
 					return FALSE
 	return TRUE
 
+/// Returns anything on the cargo blacklist found within areas_to_check back to the turf of the home docking port via Centcom branded supply pod.
+/obj/docking_port/mobile/supply/proc/return_blacklisted_things_home(list/area/areas_to_check, obj/docking_port/stationary/home)
+	var/list/stuff_to_send_home = list()
+	for(var/area/shuttle_area as anything in areas_to_check)
+		for(var/turf/shuttle_turf in shuttle_area.get_contained_turfs())
+			for(var/atom/passenger in shuttle_turf.get_all_contents())
+				if((is_type_in_typecache(passenger, GLOB.blacklisted_cargo_types) || HAS_TRAIT(passenger, TRAIT_BANNED_FROM_CARGO_SHUTTLE)) && !istype(passenger, /obj/docking_port))
+					stuff_to_send_home += passenger
+
+	if(!length(stuff_to_send_home))
+		return FALSE
+
+	var/obj/structure/closet/supplypod/centcompod/et_go_home = new()
+
+	for(var/atom/movable/et as anything in stuff_to_send_home)
+		et.forceMove(et_go_home)
+
+	new /obj/effect/pod_landingzone(get_turf(home), et_go_home)
+
+	return stuff_to_send_home
+
 /obj/docking_port/mobile/supply/request(obj/docking_port/stationary/S)
 	if(mode != SHUTTLE_IDLE)
 		return 2
 	return ..()
 
+/obj/docking_port/mobile/supply/check_dock(obj/docking_port/stationary/S, silent)
+	. = ..()
+
+	if(!.)
+		return
+
+	// If we're not trying to dock at Centcom, we don't care.
+	if(S.shuttle_id != "cargo_away")
+		return
+
+	// Else we are docking at Centcom, check the blacklist to make sure no contraband was put onto the shuttle mid-transit.
+	// If there's anything contrabandy, send these items back to the origin docking port.
+	// This is a sort of catch-all Centcom exploit check.
+	var/list/stuff_sent_home = return_blacklisted_things_home(shuttle_areas, previous)
+	if(!length(stuff_sent_home))
+		return
+
+	for(var/atom/thing_sent_home as anything in stuff_sent_home)
+		investigate_log("Blacklisted item found on in-transit Cargo Shuttle: [thing_sent_home] ([thing_sent_home.type])", INVESTIGATE_CARGO)
+
+	message_admins("Blacklisted item found on in-transit Cargo Shuttle. See cargo logs for more details.")
+	SSshuttle.centcom_message = "Contraband found on Cargo Shuttle. This has been returned via drop pod."
+
 /obj/docking_port/mobile/supply/initiate_docking()
 	if(getDockedId() == "cargo_away") // Buy when we leave home.
 		buy()