Billy Milligan's psychiatrists say he had about 24 distinct personalities. Is that possible?

A cash-strapped restaurant owner, Guy Sileo, cooked up a deadly plan to pay off his debts.

The traveling exhibit, “Un(re)solved,” was created by PBS Frontline with artist, filmmaker and technologist Tamara Shogaolu and is now on display until Oct. 24 in downtown Jackson, Mississippi.

In honor of Hispanic Heritage Month, Oxygen.com asked four trailblazing Latinas to talk about their professional experiences in our system of law and order. Tiffany Cabán believes that justice is "not about “good” people and “bad” people, it’s about opportunities to heal, it’s about opportunities to access resources. 

Billy Milligan was found not guilty by reason of insanity after his defense managed to convince a jury that he suffered from multiple personality disorder. 

Angela Dickinson wanted her husband out of the picture so badly she even allegedly tried to poison him with rattlesnake venom.

"The Followers: Madness Of Two," hosted by Sarah Treleaven, aims to peel back the layers on Lori Vallow and Chad Daybell's lives and explore how they came to be accused of murdering several family members. 

María Elvira Bermúdez wrote engrossing mystery novels that doubled as a tool to question and criticize the patriarchy in mid-century Mexico. 

After two years of meticulous planning, a team of skilled thieves made off with more than $20 million but it would be a mistake in one of the thieves' personal lives that would be their undoing.

What detectives found inside an Idaho home was “straight out of some horror movie.” But was it murder?

The stranger than fiction lives of Mark Stidham And DeAnne Brady Stidham, the couple behind the controversial multilevel marketing company LuLaRoe, get the docuseries treatment. 

The co-producer of "Impeachment: American Crime Story," which dramatizes the events of her own life, spoke about the man to whom she no longer speaks.

A new docuseries from the makers of "Fyre Fraud" explores how LuLaRoe, a company marketed as a way for women to make money from home with their friends, is now known less for their leggings than for their debts.