How a traveling medical technician managed to steal narcotics from hospitals, infecting at least 45 people with hepatitis C in the process.

The work of California Task Force Two, the “Seal Team Six of disaster aid.”

Two bodies wash up in Northern Europe, wearing identical wetsuits. The search for their identities leads authorities to a camp in Calais.

On the penalties imposed – or not – on prison guards who have sex with inmates.

A profile of Moktar Belmoktar, Al-Qaida’s “most difficult employee,” who was responsible for a major attack on an Algerian BP plant and, according to U.S. and Libyan forces, was killed in an air strike on Sunday.

Tracing Europe’s migrant crisis to organized crime.

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.

“If you’re a glass is half-full kind of person, you’d say they’re repurposing the abandoned coal mine” and using it to create jobs, says Wright. “And if you're a glass is half-empty kind of person, you'd say it's pretty unconscionable that you’re putting people in cages at gunpoint and putting them in toxic waste sites.”

Investigating the death of Rikers Island women’s jail inmate Jackie Caquias, and other abuses of women prisoners’ access to medical care.

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.

The life of Antonio Zambrano-Montes, shot dead by the police in Washington state.

The detective work that led to the recovery of a trove of stolen Nazi art.

The failures of the “broken windows” approach to policing.

The Cleveland police are still adamant that they did nothing wrong in the killing of 12-year-old Tamir Rice.

On the trail of a group of thieves stealing the fanciest wine out of San Francisco’s fanciest restaurants.

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

On the psychology of mass killer Anders Behring Breivik.

The case of the disappearing Pappy Van Winkle bourbon.

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.

Revisiting the 6200 block of Osage Avenue.