diff --git a/code/game/atom_procs.dm b/code/game/atom_procs.dm
index b99e5a6f32f..f7592907ce4 100644
--- a/code/game/atom_procs.dm
+++ b/code/game/atom_procs.dm
@@ -75,6 +75,30 @@
 					O << text("\red <B>[] has been hit by [] with []</B>", src, user, W)
 	return
 
+/atom/proc/add_hiddenprint(mob/living/M as mob)
+	if(isnull(M)) return
+	if(isnull(M.key)) return
+	if (!( src.flags ) & 256)
+		return
+	if (ishuman(M))
+		var/mob/living/carbon/human/H = M
+		if (!istype(H.dna, /datum/dna))
+			return 0
+		if (H.gloves)
+			if(src.fingerprintslast != H.key)
+				src.fingerprintshidden += text("\[[time_stamp()]\] (Wearing gloves). Real name: [], Key: []",H.real_name, H.key)
+				src.fingerprintslast = H.key
+			return 0
+		if (!( src.fingerprints ))
+			if(src.fingerprintslast != H.key)
+				src.fingerprintshidden += text("\[[time_stamp()]\] Real name: [], Key: []",H.real_name, H.key)
+				src.fingerprintslast = H.key
+			return 1
+	else
+		if(src.fingerprintslast != M.key)
+			src.fingerprintshidden += text("\[[time_stamp()]\] Real name: [], Key: []",M.real_name, M.key)
+			src.fingerprintslast = M.key
+	return
 
 /atom/proc/add_fingerprint(mob/living/M as mob)
 	if(isnull(M)) return
diff --git a/code/game/machinery/camera.dm b/code/game/machinery/camera.dm
index 81eb3d6c1e5..c52aa8f44ea 100644
--- a/code/game/machinery/camera.dm
+++ b/code/game/machinery/camera.dm
@@ -356,11 +356,13 @@
 				O.show_message(text("\red [] has deactivated []!", user, src), 1)
 				playsound(src.loc, 'Wirecutter.ogg', 100, 1)
 			icon_state = "camera1"
+			add_hiddenprint(user)
 		else
 			for(var/mob/O in viewers(user, null))
 				O.show_message(text("\red [] has reactivated []!", user, src), 1)
 				playsound(src.loc, 'Wirecutter.ogg', 100, 1)
 			icon_state = "camera"
+			add_hiddenprint(user)
 	// now disconnect anyone using the camera
 	//Apparently, this will disconnect anyone even if the camera was re-activated.
 	//I guess that doesn't matter since they can't use it anyway?
diff --git a/code/game/objects/devices/chameleonproj.dm b/code/game/objects/devices/chameleonproj.dm
index c08ffa32e74..0526ec5ff29 100644
--- a/code/game/objects/devices/chameleonproj.dm
+++ b/code/game/objects/devices/chameleonproj.dm
@@ -25,7 +25,17 @@
 	relaymove(var/mob/user, direction)
 		if(can_move)
 			can_move = 0
-			spawn(10) can_move = 1
+			switch(usr.bodytemperature)
+				if(300 to INFINITY)
+					spawn(10) can_move = 1
+				if(295 to 300)
+					spawn(13) can_move = 1
+				if(280 to 295)
+					spawn(16) can_move = 1
+				if(260 to 280)
+					spawn(20) can_move = 1
+				else
+					spawn(25) can_move = 1
 			step(src,direction)
 		return
 
diff --git a/code/game/objects/items/weapons/table_rack_parts.dm b/code/game/objects/items/weapons/table_rack_parts.dm
index 4dc1e13076c..cd341fcb9b8 100644
--- a/code/game/objects/items/weapons/table_rack_parts.dm
+++ b/code/game/objects/items/weapons/table_rack_parts.dm
@@ -18,7 +18,8 @@ RACK PARTS
 		del(src)
 
 /obj/item/weapon/table_parts/attack_self(mob/user as mob)
-	new /obj/structure/table( user.loc )
+	var/obj/structure/table/T = new /obj/structure/table( user.loc )
+	T.add_fingerprint(usr)
 	del(src)
 	return
 
diff --git a/code/game/objects/stacks/metal.dm b/code/game/objects/stacks/metal.dm
index 34bcdbf7be8..2920c6f7f10 100644
--- a/code/game/objects/stacks/metal.dm
+++ b/code/game/objects/stacks/metal.dm
@@ -50,8 +50,9 @@ FLOOR TILES
 		usr << "\blue Assembling grille..."
 		if (!do_after(usr, 10))
 			return
-		new /obj/structure/grille( usr.loc )
+		var/obj/structure/grille/F = new /obj/structure/grille/ ( usr.loc )
 		usr << "\blue You assemble a grille"
+		F.add_fingerprint(usr)
 		use(2)
 	return
 
diff --git a/code/game/objects/stacks/stack.dm b/code/game/objects/stacks/stack.dm
index 3ca6fc7dce3..7d5a935046c 100644
--- a/code/game/objects/stacks/stack.dm
+++ b/code/game/objects/stacks/stack.dm
@@ -157,7 +157,7 @@
 					t1 += " <A href='?src=\ref[src];make=[i];multiplier=[n]'>[n*R.res_amount]x</A>"
 			if (!(max_multiplier in multipliers))
 				t1 += " <A href='?src=\ref[src];make=[i];multiplier=[max_multiplier]'>[max_multiplier*R.res_amount]x</A>"
-				
+
 	t1 += "</TT></body></HTML>"
 	user << browse(t1, "window=stack")
 	onclose(user, "stack")
@@ -205,6 +205,7 @@
 			del(oldsrc)
 			if (istype(O,/obj/item))
 				usr.put_in_hand(O)
+		O.add_fingerprint(usr)
 	if (src && usr.machine==src) //do not reopen closed window
 		spawn( 0 )
 			src.interact(usr)
diff --git a/code/modules/chemical/Chemistry-Tools.dm b/code/modules/chemical/Chemistry-Tools.dm
index 92ea94d49b6..5e0ebc28958 100644
--- a/code/modules/chemical/Chemistry-Tools.dm
+++ b/code/modules/chemical/Chemistry-Tools.dm
@@ -366,7 +366,7 @@
 
 	proc
 		fire_grenade(atom/target, mob/user)
-			if (locate (/obj/structure/table, src.loc))
+			if (locate (/obj/structure/table, src.loc) || locate (/obj/item/weapon/storage, src.loc))
 				return
 			else
 				for(var/mob/O in viewers(world.view, user))