Despite offing himself up for retrieval missions, Thad didn't honestly have much experience with infiltration, or at least not the kind that involved more conventional ways of getting through a building. He was more used to mearly passing through walls and being fast enough to not have to worry about being caught.

With all the chaos and the need to keep watch for zombie ambushes the fact that some of these building might still have active security had slipped his mind.

Stopping before he could give them away, he pulled back from the laser with and apologetic look to Parker.