A less thorough man in charge of a police laboratory might have allowed his call to wait until the morning.

Two recorders blew up at a police laboratory, killing an officer.

They took it away, apparently to be evaluated and tested in the police laboratory.

The station was open, and the damaged train had been towed to a police laboratory.

I'll get permission from him tomorrow to take the check and the contract to the police laboratory in Brooklyn.

He also said the police laboratory had not been able to identify the source of the contamination in those other cases.

Your machine is at present being moved to police laboratories for tests.

Harrington was to him just another case to be unraveled in the police laboratory.

The test in the police laboratory was entirely negative.

But mistakes by the police laboratory in handling the blood samples made it possible to challenge the evidence.