The tragedy of seven-year-old Somer Thompson's 2009 murder was that it didn't have to happen.
Somer's assailant, Jarred Harrell, 24, was in police custody in 2009. The police also had Harrell's computer, which contained child pornography. But investigators hadn't seen the material, which would have kept him locked up. He was released, and on Oct. 19 Harrel abducted the Florida child on her way home from school.
Two days later Somer's body was found in a Georgia landfill.
Now scientists from...Full Story