Tracking violent ex-cons: Registries grow, but do they work?

In this July 22, 2016, file photo, law enforcement officers search for missing University of Toledo student, Sierah Joughin, on James Worley's property in Delta, Ohio. The family of Joughin, who investigators say was abducted and killed by a neighbor with a hidden past, wants Ohio lawmakers to follow the lead of at least seven other states that track all sorts of violent offenders.