to killing russel douglas. with jim gone and no evidence tying peggy to the murder, the detectives asked the public's help in documenting the couple's movements in december 2003, when russel douglas was murdered. mark plumberg: we put out descriptions of the vehicle that they were driving. just a few days after it hit the media, we got a phone call from the dona ana county sheriff's office in new mexico saying someone had turned in-- has a firearm that they believe might have been used in a homicide on whidbey island. talk about luck. it doesn't get any better than that.