"I heard security was tight in this area but this seems almost overkill." Almost. "...actually I wonder why I never thought of doing this for security back at the lair. Oh wait, probably because inevitably one or all of my brothers would have sliced some part of them off."

Donatello realizes Layla's still not had a chance to see what he's seeing, so he steps to the side of the ladder to give her room as he turns his attention back to studying the criss-crossing red.

"Lasers. Pretty fancy for a sewer, right?"