Then he looked toward the distant observation booth, but the face that marched into his mind's eye was Stryker's.

Cal left the observation booth and walked slowly through the corridors toward the exit.

California, where more than 25 percent of the residents are immigrants, is their observation booth.

Aritch looked down from his observation booth for a moment before speaking.

But not under the eyes of guards stationed in the observation booth above it right around the clock.

A darkened, elevated observation booth overlooked what seemed to be a laboratory.

Then his voice from the observation booth: "You know I can't do that.

The other two said nothing, as people say nothing, watching the critical moment of a medical operation through the glass window of an observation booth.

He saw Halstert turn and jog away from them, seeking the safety of his observation booth.

He crossed the dark corner of the library to the little doorway that led to the observation booth.