Unfriended (Billy Payne & Billie Jean Haywort...

For years, Mark Koster was presumed gone—declared dead without a body ever being found. But when his remains surface inside his own home, investigators must unravel how a killer hid in plain sight and how one confession finally exposed the truth behind a death that went unnoticed ...  Show more

A grandmother visiting from Haiti, a young mother, and two small children are found brutally killed in a quiet South Florida neighborhood. With no forced entry and few answers, detectives must untangle what happened inside the Altidor family home and why justice has remained out ...  Show more

In November 2022, four University of Idaho students were brutally murdered inside their off-campus home. The killer left behind a trail of evidence: from DNA on a knife sheath to cell phone records and chilling witness accounts. Morgan and Kaelyn unravel the case that shocked a c ...  Show more

In 2003, an LAPD cold case detective digging through old case files finds a piece of forgotten evidence that belongs to an unidentified woman found murdered off Mulholland Drive in 1969. As he searches for her identity, he uncovers eerie parallels to another young woman killed ...

The brutal hatchet murders of Andrew and Abby Borden are still among the most infamous and hotly debated cases in true-crime history.Truly springing from the pages of your favourite murder mystery – with seemingly innocent housekeepers, “evil stepmothers”, and precocious ladies o ...  Show more

Blayne Alexander talks with Dennis Murphy and Dateline producer Brad Davis about their episode, “Deadly Mischief.” In 2014, after esteemed FSU law professor Dan Markel was fatally shot, investigators uncovered a murder-for-hire plot orchestrated, according to prosecutors, by M ...