Joseph DeAngelo, the Golden State Killer suspect, appeared in a Sacramento court on May 28 – inside a cage.

S1/EP3: Oscar travelled to El Salvador to deliver “unhappy but necessary news” to the victim’s family, learning more about Reyna’s life in the process.

Trick-or-treaters in a small Indiana town have no idea that the sweet grandmother passing out candy is also hiding a deadly secret in her garage.

S1/EP3: The Ottawa County Cold Case Unit interviewed the victims’ ex-partners, ultimately crossing both individuals off the list of suspects.

S1/EP1: Dahmer's mother had taken numerous pills while she was pregnant.

Just five days before her elaborate Long Island wedding, a beautiful and brilliant Yale student goes missing. A massive search effort is launched to find her before her wedding day.

Aaron Hernandez was brought in for questioning about a shooting at a Florida nightclub.

S1/EP4: Art and Maggie talk tattoos on the way up to Maura's crash site.