An unlikely friendship bloomed in Oxford, Mississippi between a 30-year-old drug dealer and a college-bound teen after a chance meeting at a hotel pool. Then the dealer began to suspect that his friend was one of the 30 or so confidential informants that Metro Narcotics recruits from around the college town each year.

Who killed four people in the French Alps?

No one knew how Suzanne Jovin ended up in a wealthy neighborhood away from Yale’s campus in New Haven, or why she was brutally stabbed on the sidewalk, apparently by someone she knew. The only suspect that police named was her thesis advisor.

Thirty-three years ago, a Chicago man was sentenced to death for murder. In 1999, another man confessed to the crime. Today, they are both free.

Twenty-five years later, the deaths of a couple on the Trail remain shocking – and mostly unexplained.

Two young girls attempt to murder another in Waukesha, Wisconsin, trying to bring an internet meme to life.

The story of a small town just outside Pittsburgh that has suffered through a half-century of economic decline, racial tension, and endless crime. Despite that trajectory, or perhaps because of it, Aliquippa has also produced an astounding number of NFL players.

The story of H.H. Holmes, America’s first serial killer.

Only after buying a new home did the Milliken family learn something terrible had happened in it.

The abusive relationship between a Bell Gardens mayor and his wife ends with her firing a gun.

Nearly 4 years ago, a 12-year-old boy was murdered in a small town in upstate New York. The suspects are well known, but nobody has been convicted of the crime.

Her parents wanted Jennifer to be successful. The pressure may have led her to plot their murder.

An investigation into serial killings in a small North Carolina city.

Alberto Nisman accused Iran and Argentina of colluding to bury a terrorist attack. Did it get him killed?

The case of Richard Glossip, whose failed Supreme Court challenge of execution methods now leaves him waiting for death. But he still insists he’s innocent.

His health failing and his business in tatters, the head of Death Row Records faces murder charges that could put him away for life.

A murder case in Mississippi catches the eye of amateur sleuths on Facebook, who proceed to harass everyone involved in the case.

An excerpt from the best-selling true crime book of all time.

The last trip of a dedicated wanderer.

Madeleine Fullard is on a mission to locate the remains of apartheid’s murdered activists. She needs the help of Eugene de Kock, a former police squad leader known as “Prime Evil,” to do so.

In 1948, a man was found on a beach in South Australia. The circumstances of his death and his identity were rich with mystery. When an amateur sleuth became obsessed, he could not imagine where the clues would lead him.

The life and death of an Elvis obsessive.

A West Hollywood aesthetician made headlines after allegedly trying to have a business rival killed. But the real story, involving ongoing harassment and a member of the so-called Bling Ring, may be more complicated.

After years of sexual abuse by a neighbor, a teenager takes matters into his own hands.

Decades after a young nun was murdered, a group of former Catholic high school students begin to suspect that an abusive priest may have been the culprit.