His eyes roamed the shadows, looking for signs of guards, memorizing the way back to the surface.

"The inner doors are not closed, nor did I see any sign of guards in the hallway beyond."

There was a table and several chairs but no signs of further guards.

It was shut, and we saw no sign of guards on duty.

There was no sign of guards, but the noise of drunken laughter drifted up.

Other than the one uniform, there was no sign of armed guards.

Just as he'd expected, there were no signs of guards or other watchers.

Douglas hurried along the tunnel, gun and sword in hand, ready for any sign of new guards or booby traps.

You've got your high fence about the place, but I don't see any sign of guards or dogs.

Dom saw no signs of human or canine guards.