John Glatt, author of 'The Family Next Door,' spoke with us about how the Turpin children are doing now, whether Louise's history of abuse repeated itself with her own children and how the torture was allowed to go on for so long.

Jan Broberg, the subject of a high-profile, captivating story about her abduction and rape when she was a child in the 1970s, spoke with us about her 'amazing' parents, how her abductor—a close family friend—so successfully groomed her family before the first kidnapping (there were two) and whether he might have other victims.

Aiyana Gauvin, Adrian Jones and Roman Barreras are some of the high-profile cases from the past few years of children who were abused and ultimately killed by their parents. We speak with experts about why some parents unleash such extreme violence on their children.

Explore some of the major theories surrounding the more than 60-year-old unsolved case of a dead boy found in a box in Philadelphia, Pennsylvania on February 25, 1957.

On November 15, 1990, a 2-year-old boy, Billy Blankenship, was reported to have fallen down the stairs in his babysitter's care in Concordia, Missouri. The sitter, Tawny Sue Gunter, claimed she had put the boy in her basement as she prepared lunch upstairs. The boy suffered a skull fracture and later died. But that wasn't the end of the story.

Dr. Thomas Andrew, retired chief medical examiner of New Hampshire and now a forensic consultant, speaks with A&E True Crime about a surprising autopsy case he worked on that aided a murder case.

David Finkelhor, director of the Crimes Against Children Research Center and author of the book 'Nursery Crimes,' on why some babysitters kill and how parents can prevent their children from falling victim.

Dr. Ashley Hampton, a licensed psychologist who works in the prison system with both victims and perpetrators of violent crime, tells us about how the traumatic childhoods of Charles Manson, Aileen Wuornos and Richard Ramirez may have shaped their adult behavior.

We spoke to Rachel Jeffs about leaving the polygamous life behind, whether the FLDS could ever be brought down and how she feels about her notorious father, Warren Jeffs.

People are trading bitcoin for goods and services on the illegal marketplaces of the dark web, where the easy, instant flow of the cyptocurrency allows users to tap into their darkest natures--all from the anonymous comfort of their home computers.