Buffy shakes her head because she's pretty sure it came from ahead of them, but as he points out, it doesn't matter much. There's nothing and no one to see.

Unless they've got gas masks and then they could be out creeping around. It could be some of the secret societies that seem bent on hurting others.

She nods a little at his suggestion. It's a good one. Fewer cameras are always better. They make her feel less watched, a little more able to breathe. She doesn't take quite the same care simply because he's right, they're only getting the top of her head. There are advantages to being short. She hesitates at the end of the hallway.

"Hello?" she says in a whisper that's not really a whisper. "I know I heard something down here," she gestures down the hall to their left.