Questions still remain about Lee's 1999 murder, as ex-boyfriend Syed continues to serve a life sentence, and the case receiving mass attention from the podcast, 'Serial.'

The gruesome death of 22-year-old Elizabeth Short confounded Los Angeles investigators in the late 1940s and remained a topic of intrigue in the decades that followed.

Though authorities never put the pieces together to find the missing Alabama teen, Joran van der Sloot remains a prime suspect.

Peterson was declared guilty of the crimes in 2004, but in 2020, his death sentence was overturned, setting the stage for a never-ending legal saga.

The young mother raised suspicions with her behavior after the disappearance of her daughter, Caylee, though prosecutors were unable to conclusively tie her to the toddler's death.

The famed literary and celluloid antagonist was based on a Mexican doctor who murdered his boyfriend in 1959.

Vili Fualaau, who famously had an affair with his teacher when he was a teen, recalls the last months of her life before she died of cancer in July 2020.

The world was riveted to the long-running saga of the American exchange student who was accused of killing her roommate.

More than a century after his untimely demise, there are still rumors and legends about how the author met his end.

The Colorado father killed his family in August 2018 and confessed just days later.

Martin Scorsese's 1990 film about Hill and the mafia comes to a climax during the now-infamous Lufthansa Heist.

These Big Apple-based organizations have weathered bloody insurrections, federal convictions and undercover agents through decades of legal and illicit operations.

Found in the basement of her Colorado home the day after Christmas 1996, the truth behind the 6-year-old girl’s killing remains a mystery to this day.

Lyle and Erik Menendez cited emotional and physical abuse, among other reasons, for the gruesome 1989 killing of their mother and father.

The Italian fashion designer was coming home from a neighborhood walk when a madman appeared out of nowhere and shot him dead on the steps of his beloved Miami Beach mansion.

The notorious robber was killed by a would-be gang member while plotting his next heist.

The true-crime writer spent the last six years of her life chasing down the infamous California serial killer and rapist.

By providing insight into the mind of a serial killer, Bundy aided detectives in capturing Gary Ridgway.

These are the real-life mobsters and events that inspired the books and movies.

These mafia members continue to be household names long after their deaths.

Take a look at photos of these mafia members after their arrests.

Known as the “Gainesville Ripper,” Rolling terrorized the Florida college town during a three-day murderous rampage in late summer 1990.

Learn about the Butcher of Plainfield and how his disturbing life inspired numerous films.

With his last known killing in October 1969, people still know very little about the murderer — including his name.