CNN Forensic Files June 8, 2014 08:50:00
Since both murder victims had been sexually assaulted and investigators had dna of the killer, they wanted to know whether it was gorton's dna. so they put gorton under a 24-hour surveillance. they followed him to a local roller skating rink where he took his children. undercover officers watch gorton eat pizza and drink soda from a styrofoam cup. when gordon left, an officer rushed to the table, confiscated gorton's cup and took it to the forensics lab. the sample was tested immediately. >> dna is like any other biological molecule, subject to degradation. one of the things that will degrade ...