...up and down, their eyes searching. The camera swings down for a shot of detectives Lilly Rush, Tom Stillman and Scotty Valens of the CBS series "Cold Case" (WRDW-TV, Channel 12, 8 p.m. Sundays) as they check out the location of a...

BURBANK, Calif. - Like the unsolved crimes he investigates, Detective Scotty Valens has a hidden past. "He's very much veiled in some mystery about where he came from, how it is he got into the department so...