Deadly Devotion

Takes a deep dive into the stories of unforgettable murders from the streets of Philadelphia. Told through the eyes of veteran homicide detectives, local reporters and the victim's families who have lost so much, these are the cases they will never forget.

Victims' rights activist John Walsh and his son, Callahan, showcase time-sensitive, unsolved cases in desperate need of attention, mobilizing the public to engage in the pursuit of justice.

Looking into several heinous crimes done by unexpected people. As identities are revealed, a chain is completed - uncovering a grim series of interconnected crimes and a trail of suffering in their wake that haunts communities and loved ones for decades.

Blood Relatives is an American documentary television series on Investigation Discovery that debuted on June 7, 2012. Narrated by Brenda Strong, the voice of Desperate Housewives character Mary Alice Young, the series examines murders that were committed within families. Blood Relatives has been renewed for a third season.

Crime scene videos and real home videos are paired to create a powerful mystery.

Behind Mansion Walls is an American documentary television series on Investigation Discovery that debuted June 6, 2011. The series, hosted by Christopher Mason, tells the stories of crime and investigation that are unveiled in wealthy families and relationships, with conspiracies, hidden accounts, false identities and secret affairs. It tells stories of murder and mystery on a grand scale. The victims and individuals involved in cases come from upscale levels of society, from oil tycoons to real estate moguls.