James Manley

E! Investigates: A FAMILY TRAGEDY: THE POWELLS to Premiere 5/29

Conducting the first ever on-camera interview with Dr. James Manley, the forensic psychologist who evaluated Josh for the court, Ling unravels the tale of a deeply disturbed man who was most likely responsible for the deaths of his entire family and who very possibly could - and should - have been stopped. E! Investigates: A Family Tragedy: The Powells airs on May 29 at 8:00 PM only on E!