Overview: Belker plans to accompany a prisoner to Las Vegas. Mayo and Garibaldi follow a juvenile murder suspect who has threatened witnesses. Bobby Hill faces an IRS audit and gets tips from Ray Calletano. LaRue and Washington catch a guy with stolen airline ticket forms. Joyce works with a burned out P.D. on the defense of Escobedo and Munoz on assault charges. Coffey and Bates bust a young black boy for shoplifting.