Robyn Maharaj, co-author of 'Grilling Dahmer' with Milwaukee detective Patrick Kennedy, tells us about the late detective's experience with the serial killer.

Author Barbie Latza Nadeau on how Italian women have played vital roles in mafia history, and have done anything—from keeping secrets to murder—for their families.

Advocates for Lyle and Erik Menendez, who murdered their parents in 1989, recently initiated a petition to Governor Gavin Newsom to free the siblings. After more than 30 years behind bars, is there any chance they will walk out of prison?

In 1971, Edgar Smith Jr. became a free man after spending more than 14 years on death row for the 1957 murder of 15-year-old Victoria Zielinski. In 1976, he was sent back to prison for attempted murder, where he remained until he died at age 83.

We speak with author William Rawlings about 'The Stocking Strangler,' a serial killer who raped and strangled women, often with their own stockings, in the 1970s.

The British-American anti-virus software pioneer was found hanging in his cell in a Spanish prison hours after a court ruled that he would need to return to the U.S. to face tax evasion charges. But his inner circle has doubts about the manner of his death.

We speak with Wendell Stradford, a retired NYPD cold case detective, about his investigation into Bruce Blackwood's murder and how he acquired a brutally detailed confession from the killer.

In 1997, the 19-year-old British au pair was charged with the first-degree murder of 8-month-old Matthew Eappen.

We speak with Rob Sand about the Iowa Hot Lotto fraud scandal, the largest lottery-rigging scheme uncovered in the United States, and his role as the prosecuting attorney for the Iowa Attorney General's Office in the case.

For many years, a Georgia woman ran an underground network out of her Atlanta home in order to hide children who'd allegedly been abused. Some feel she was a hero, while others believe she was a kidnapper and vigilante.