Explore Sandra Birchmore's case, from the Police Explorers program to the federal trial of former Stoughton officer Matthew Farwell.

A Texas couple found human graves under their Newport backyard. We follow the Black Hope Cemetery case, haunting accounts, and legal fight.

Patricia Bennett's family kept receiving texts from her phone after she disappeared. Her grandson's concern led police to the truth.

Ashley Flynn was fatally shot inside her Tipp City, Ohio, home while her two daughters slept nearby. Her husband, Caleb Flynn, reported an intruder had broken into their home, but investigators later alleged the scene had been staged.

Attorney Steven Cozzi disappeared from his Largo law office in 2023. Former plastic surgeon Tomasz Kosowski is currently on trial for Steven's alleged murder and has pleaded not guilty.

Aliza Sherman was killed outside her Cleveland attorney's office. We examine the case against Gregory Moore, who has pleaded not guilty.

Austin Kanuch was killed in his Houston area home in 2023. Surveillance shows a mountain bike rider, but the case remains unsolved.

Judge Kevin Mullins was killed in his Kentucky chambers. Video shows former Sheriff Shawn Stines, but no audio reveals a motive.

At least 75 women were strangled or smothered in Chicago between 2001 and 2017. We tell the stories of the women, the unsolved cases, and the ongoing search for answers.

Alex Pennig was found shot in her St. Paul apartment in 2022. Matthew Ecker claimed suicide, but was convicted of murder.

In 2007, 14-year-old Andrew Gosden left Doncaster for London without telling his family. He was last seen leaving King’s Cross Station alone.

Dateline NBC’s The Man Who Loved Christmas examines the death of Harold “Peanut” Allen, the burglary that revealed a poisoning plot, and the 50-year sentence for Ashley Jones.

Holly Bartlett was found beneath Halifax's MacKay Bridge in 2010. Her death was ruled accidental, but questions about her final seven hours remain.

Vincent and Margaret Sherry were murdered in Biloxi, Mississippi in 1987. The case led to the Dixie Mafia and a betrayal by Vincent's own law partner. The murders remain technically unsolved.

D.B. Cooper hijacked a plane in 1971, collected $200,000, and was never found. We cover the full story and the string of copycat hijackers who tried to pull off the same heist.

Zarius Hildabrand was convicted of murdering his wife Saria in Anchorage, Alaska. Get the full story of the case, the trial, and the June 2026 guilty verdict.

In 2016, Michelle Hadley spent 88 days in jail after being framed in a diabolical Craigslist plot orchestrated by Angela and Ian Diaz in Anaheim, California. If you have been watching Netflix's A Toxic Love Story, this episode covers the full timeline, including the shocking 2023 federal conviction of US Marshal Ian Diaz for his role in the scheme.

In 1996, Sally Snowden McKay and her nephew Lee Baker were murdered in their historic Arkansas home by fifteen-year-old Travis Lewis. Decades later, Sally's daughter Martha McKay forgave Travis, helped him get paroled, and gave him a job. In 2020, he returned to the same house and killed her.

Steven Riley Jr. was poisoned with antifreeze by his girlfriend Ina Kenoyer, who believed he was about to inherit $30 million. The fortune never existed.