Everything else through the door (#19358)

code/modules/detective_work/detective_work.dm

@@ -3,7 +3,7 @@
 /atom/var/list/suit_fibers
 
 /atom/proc/add_fibers(mob/living/carbon/human/M)
-	if(M.gloves && istype(M.gloves,/obj/item/clothing/))
+	if(M.gloves && isclothing(M.gloves))
 		var/obj/item/clothing/gloves/G = M.gloves
 		if(G.transfer_blood > 1) //bloodied gloves transfer blood to touched objects
 			if(add_blood(G.blood_DNA, G.blood_color)) //only reduces the bloodiness of our gloves if the item wasn't already bloody
@@ -13,7 +13,7 @@
 			M.bloody_hands--
 	if(!suit_fibers) suit_fibers = list()
 	var/fibertext
-	var/item_multiplier = istype(src,/obj/item)?1.2:1
+	var/item_multiplier = isitem(src)?1.2:1
 	if(M.wear_suit)
 		fibertext = "Material from \a [M.wear_suit]."
 		if(prob(10*item_multiplier) && !(fibertext in suit_fibers) && M.wear_suit.can_leave_fibers)

code/modules/detective_work/evidence.dm

@@ -38,7 +38,7 @@
 		return
 
 	if(!isturf(I.loc)) //If it isn't on the floor. Do some checks to see if it's in our hands or a box. Otherwise give up.
-		if(istype(I.loc,/obj/item/storage))	//in a container.
+		if(isstorage(I.loc))	//in a container.
 			var/obj/item/storage/U = I.loc
 			U.remove_from_storage(I, src)
 		else if(user.l_hand == I)					//in a hand