Numb3rs: Checkmate - April 11 Preview

Numb3rs: Checkmate - An imprisoned gang leader is suspected of passing secret instructions to a teen chess prodigy about which gang members should be killed. Don investigates and crosses paths with a former flame, Robin Brooks, he suspects is leaking information. Also, Charlie goes through FBI training to learn how to protect himself. Friday 10:00 et/9:00 ct on CBS.

The Flick Guru