For 17 years, Kathy Swanson feared her son, Michael, would one day harm someone. For 17 years, she tried in vain to convince people that something about Michael was different until that dreadful day finally came that her worst nightmare came true.

William Knorr's mother, Theresa, always threatened that if she ever went to jail for what she had done, she would take him down with her. After years spent helping her keep the horrors secret, could he ever escape or would he wind up like all the others?

Pam Jacobs spends her childhood on the run from the law, but she has no idea her father, Charles Sinclair, is a wanted man until the day the FBI catches up with them.

When James Henslee realizes he is the police's prime suspect, he can't believe it but he attempts to convince them that someone he had once looked up to was the one capable of murder.

Ronald and Patty had always seen the signs that their older brother, Bernard Eugene Giles, had a darker side, but when Gene finally let loose the monster lurking inside, they couldn't help but wonder how things had gone so wrong.

When Clare Bradburn's ex-husband, Ed, suddenly confesses to his crime after 26 years, she thinks she finally has justice, and that the nightmare she lived for decades would end; she never expects that her nightmare would continue.

When Tim Kreider discovered proof that his son, Alec, was responsible for a horrific crime, he knew what the right thing to do was. But his instincts as a father told him something else. How far should a father go to protect his child?

When Elizabeth Flores was a child, her sister Louise, tried to to shield her from a horrible family secret. But when Louise met David Turpin, that all changed. How did Louise go from running from monsters to becoming one herself?

A TV series where individuals share their perspectives of loved ones who performed horrific acts of crime

A TV series where individuals share their perspectives of loved ones who performed horrific acts of crime

A TV series where individuals share their perspectives of loved ones who performed horrific acts of crime

A TV series where individuals share their perspectives of loved ones who performed horrific acts of crime