This is probably a glitch, but has anyone noticed that target finder often lets you see through walls?
I noticed this tends to happen most often when you are ADS and looking at window, then strafe to the side for cover while still ADS. The diamond targets will still be seen, even though you are staring at a wall. If your gun has decent penetration, you can continue to kill people while shooting through the wall.
I thought I might be the only person experiencing it, but turns out there are tons of videos of it happening on youtube.