reverts forensics components. If I can't figure it out, MURDER IT

code/game/objects/items/clown_items.dm

@@ -88,7 +88,7 @@
 			var/obj/effect/decal/cleanable/C = locate() in target
 			qdel(C)
 			target.remove_atom_colour(WASHABLE_COLOUR_PRIORITY)
-			SEND_SIGNAL(target, COMSIG_COMPONENT_CLEAN_ACT, CLEAN_MEDIUM)
+			target.clean_blood()
 			target.wash_cream()
 	return
 

code/game/objects/items/devices/radio/intercom.dm

@@ -136,7 +136,7 @@
 		else
 			icon_state = initial(icon_state)
 
-/obj/item/radio/intercom/add_blood_DNA(list/blood_dna)
+/obj/item/radio/intercom/add_blood(list/blood_dna)
 	return FALSE
 
 //Created through the autolathe or through deconstructing intercoms. Can be applied to wall to make a new intercom on it!

code/game/objects/items/melee/energy.dm

@@ -22,7 +22,7 @@
 	user.visible_message("<span class='suicide'>[user] is [pick("slitting [user.p_their()] stomach open with", "falling on")] [src]! It looks like [user.p_theyre()] trying to commit seppuku!</span>")
 	return (BRUTELOSS|FIRELOSS)
 
-/obj/item/melee/transforming/energy/add_blood_DNA(list/blood_dna)
+/obj/item/melee/transforming/energy/add_blood(list/blood_dna)
 	return FALSE
 
 /obj/item/melee/transforming/energy/is_sharp()

code/game/objects/items/melee/misc.dm

@@ -343,7 +343,7 @@
 	shard.Consume()
 	T.CalculateAdjacentTurfs()
 
-/obj/item/melee/supermatter_sword/add_blood_DNA(list/blood_dna)
+/obj/item/melee/supermatter_sword/add_blood(list/blood_dna)
 	return FALSE
 
 /obj/item/melee/curator_whip

code/game/objects/items/mop.dm

@@ -26,7 +26,7 @@
 
 /obj/item/mop/proc/clean(turf/A)
 	if(reagents.has_reagent("water", 1) || reagents.has_reagent("holywater", 1) || reagents.has_reagent("vodka", 1) || reagents.has_reagent("cleaner", 1))
-		SEND_SIGNAL(A, COMSIG_COMPONENT_CLEAN_ACT, CLEAN_MEDIUM)
+		A.clean_blood()
 		for(var/obj/effect/O in A)
 			if(is_cleanable(O))
 				qdel(O)

code/game/objects/items/stacks/stack.dm

@@ -388,10 +388,10 @@
 	else
 		. = ..()
 
-/obj/item/stack/proc/copy_evidences(obj/item/stack/from)
-	add_blood_DNA(from.return_blood_DNA())
-	add_fingerprint_list(from.return_fingerprints())
-	add_hiddenprint_list(from.return_hiddenprints())
+/obj/item/stack/proc/copy_evidences(obj/item/stack/from as obj)
+	blood_DNA = from.blood_DNA
+	fingerprints  = from.fingerprints
+	fingerprintshidden  = from.fingerprintshidden
 	fingerprintslast  = from.fingerprintslast
 	//TODO bloody overlay
 

code/game/objects/items/storage/book.dm

@@ -241,5 +241,5 @@ GLOBAL_LIST_INIT(bibleitemstates, list("bible", "koran", "scrapbook", "bible",
 	else
 		return ..(M,user,heal_mode = FALSE)
 
-/obj/item/storage/book/bible/syndicate/add_blood_DNA(list/blood_dna)
+/obj/item/storage/book/bible/syndicate/add_blood(list/blood_dna)
 	return FALSE

code/game/objects/items/twohanded.dm

@@ -341,7 +341,7 @@
 		icon_state = "dualsaber[item_color][wielded]"
 	else
 		icon_state = "dualsaber0"
-	SEND_SIGNAL(src, COMSIG_COMPONENT_CLEAN_ACT, CLEAN_STRENGTH_BLOOD)
+	clean_blood()//blood overlays get weird otherwise, because the sprite changes.
 
 /obj/item/twohanded/dualsaber/attack(mob/target, mob/living/carbon/human/user)
 	if(user.has_dna())