could confirm that they'd been with her at the time russel douglas was killed. the detective knew he needed a break, and in july 2004, exactly seven months to the day after the murder of russel douglas, he got one. >> i was actually out canvassing and interviewing again, and i got a phone call that said we had a tip on the russel douglas homicide. >> plumberg's partner on the investigation mike beach took the call. >> he just said hey, i'm calling to see if you have unsolved homicides from december 2003, and i said yes, sir, we actually have two in december of 2003. which one are you referring to? he says the guy who got shot in the head. >> beach said are says he didn't know if the caller was the killer or someone related to the killer, but he knew he didn't want to lose it. >> i'm doing everything i can to keep this gentleman on the phone because at that point he still hadn't given me his name. >> the caller was using an untraceable calling card and on