family continued to search for answers. >> and then in april of 1997, i got a phone call from mary bennetter: cathy's mom. it would be their first conversation of many. mary told daron how she'd seen reports about a new program in orange county centered around investigating cold cases. cathy's case had specifically been mentioned. >> and mary said, "if they're going to use my daughter's murder as publicity for their program, by all means they're going to work it. and it's your job to make sure that that happens." >> reporter: there were no new murders in placentia in 1997, allowing daron to focus his full attention on this old one. >> and because you have -- you have mary bennett and the family, who's persistent, who are very well known and very well liked within the community, it did give me a lot of leverage when i went forth and said, "hey look, i need time to concentrate specifically on this case." >> reporter: daron pored through the files and hunted down new leads. and then a tip came in, seeminglt >> so a guy from a repossession company calls the police and says, "hey i repo'd this