In this final episode of season 4, Phelps interviews a suspected serial killer, who he believes could be responsible for Dana Stidham’s murder—the first time anyone has spoken to the suspect about the case in 33 years.  After confronting him with the evidence, Phelps implores law enforcement to...

With investigative pressure mounting on the Benton County Sheriff’s Office’s suspect in Dana Stidham’s murder, Phelps uncovers a disturbing phone call made to a local woman in charge of Dana’s tip-line. Meanwhile, Phelps continues to make connections to his new suspect. Phelps uncovers an old...