With dozens of felines turning up dead around London, a pair of pet detectives set out to prove it was the work of a serial killer.

Although femicide is a recognised crime in Mexico, when a woman disappears, the authorities are notoriously slow to act. But there is someone who will take on their case.

In 1963, a Black politician named Ben Lewis was shot to death in Chicago. Clues suggest the murder was a professional hit. Decades later, it remains no accident authorities never solved the crime.

On Feb. 19, 2020, a right-wing extremist murdered nine young people in Germany. Because the gunman shot himself, there will be no trial. But those left behind have questions for the country they call home.

The agency, seeking information on an animal rights group, attempted to recruit a former truck driver as an informant, the truck driver says.

Interviews with 19 current and former officers show how failures of leadership and communication put hundreds of Capitol cops at risk and allowed rioters to get dangerously close to members of Congress on January 6th, 2021.

Serial arson in rural Virginia: a love story.

As more homicide cases go unsolved, the backlog of unsolved murders grows and serial killers are free to kill again. Too few police departments are effectively deploying their resources to stop them.

How a member of a breakaway Mormon sect teamed up with a Lambo-driving, hard-partying tycoon to bilk the government for hundreds of millions of dollars.

Gold mined in the jungles of Peru brought riches to three friends in Miami—but it also carried ruin.

Outrageous lies destroyed Guy Babcock’s online reputation. When he went hunting for their source, what he discovered was worse than he could have imagined.

Texas juries send people to death row by making predictions about future violence. Racial bias has often played a troubling role. In the 1970s, one Supreme Court case paved the way.

Patients say the “Rock Doc” helped them like no one else could. Federal prosecutors say his “help” often amounted to dealing drugs for sex.

An internet-famous plastic surgeon faces hard questions, and a lawsuit, after building his brand on his patients’ bodies.

Inside America’s fast-growing civilian tactical training industry.

Following the United Nations’ war crimes detectives who tracked down a man who helped unleash the Rwandan genocide of 1994.

When she was a 15-year-old runaway, the writer was nearly killed by a truck driver. Twenty-seven years later, she investigates whether her attacker was truck stop serial killer Robert Ben Rhoades, who often kept his victims chained in the back of his truck for weeks before killing and dumping them.

“I decided that if he would not tell us his story, then I would.”

Thirty years after it was first pioneered, the Brain Fingerprinting system is finally being put to the test.

Private executioners paid in cash. Middle-of-the-night killings. False or incomplete justifications.

A trip to Batumi, Georgia.

One year after a 14-year-old basketball player was killed by a stray bullet on a playground court in Queens, his friends and family still don’t have answers—only enduring anguish and a familiar feeling of grief.

Many of the 230,000 women and girls in U.S. jails and prisons were abuse survivors before they entered the system. And at least 30 percent of those serving time on murder or manslaughter charges were protecting themselves or a loved one from physical or sexual violence.

What it was like to be a rank-and-file Sony employee after the hack.

After a journalist was assassinated, her sons found clues in her unfinished work that cracked the case and brought down the government.