and it belonged to chiquita tate. >> she's driving down gardere lane and she sees the wallet on the side of the road. >> reporter: amazingly enough, the finder of the wallet knew chiquita. the young attorney had given a speech at her daughter's school and made quite an impression. >> that prompted her to call the police and advise us that she -- she located this wallet. >> reporter: and unexpectedly for a wallet taken from a victim's purse and then tossed, chiquita's id and her credit cards were all inside, which got investigators thinking. maybe the killer planted the wallet there, hoping some street person would find it and stumble right into a homicide investigation. >> when you take a nice gucci wallet, loaded with credit cards, to gardere lane and leave it in the streets, somebody's going to pick it up and start going to the mall, spending some of those credit cards. and the first thing that's going to happen is that the police are going to have a film of the transaction and go to that person and say, "you killed chiquita tate." >> there's our suspect. >> absolutely. >> reporter: so