In September of 2010, Jessie Dotson went on trial for one of the worst mass murders in Memphis history. He wasn't accused of killing strangers--he was brother, friend and uncle to the six people he'd allegedly murdered and three surviving children he'd allegedly beaten and stabbed. Even seasoned detectives were horrified by the bloody crime scene. Now, all of Memphis wanted an answer to the same question: How could only one man be responsible for such brutal carnage? (2 hours.)