Ron Franscell, author of 'ShadowMan,' speaks with us about the first case in which the profiling technique, often used by the FBI Behavioral Analysis Unit, successfully apprehended a suspect.

The ex-police sergeant was convicted of killing his third wife and is currently in prison, but hasn't been charged in the disappearance of Stacy Peterson, his fourth wife.

Ann Wolbert Burgess tells us about how her expertise in victimology aided the FBI's Behavioral Science Unit in their mission to capture rapists and serial killers in the 1970s and '80s.

In 2016 and 2017, 'Anna Delvey' scammed hotels, banks and others out of $275,000 while climbing the ladder of high-society and trying to launch the Anna Delvey Foundation.

Hired in 1921, James E. Amos was the first Black agent to work publicly for the FBI and worked high-profile cases involving murder, organized crime, Nazi spies and more during his 30-plus years of service.

The New Hampshire serial killer admitted to killing two men on her farm, but claims it was because God told her to punish pedophiles.

Many unanswered questions still remain about the death of U.S. Army soldier, Enrique Roman-Martinez, stationed at Fort Bragg, was found dead on May 22, 2020 in North Carolina.

Psychologist Fathali Moghaddam unpacks the motivations.

The Philadelphia-based forensic scientist discusses her experience being one of the few Black women in the field and the work her nonprofit, Association of Women in Forensic Science, does to bring STEM to kids.

The 1980s McMartin Preschool case was, and currently remains, the longest and most expensive criminal trial in American history. Seven teachers at the school were accused of abusing hundreds of students, sometimes as part of Satanic rituals.

Expert FBI profiler John Douglas shares how he turned the sophisticated and cruel tactics of murderer Larry Gene Bell against him.

In 2012, the Supreme Court's Miller v. Alabama verdict found that almost all juvenile offenders deserve a chance at release and must be resentenced.

In 2017, the investigation of a missing 20-year-old Indigenous woman from the Blackfeet Indian Reservation in Montana stalled, which resulted in it remaining unsolved today.

Was a dead woman found in Norway in 1970 a spy, a member of an international criminal organization or did she suffer from a mental illness?

Forensic psychologist Dr. Katherine Ramsland tells A&E about her over a decade-long correspondence with BTK.

A&E investigates attempts made by death-row inmates to donate their organs posthumously.

Since his arrest in 1980, the killer also known as the 'Times Square Torso Ripper' has spent his days at the New Jersey State Prison, where he has since confessed to additional murders.

On April 1, 1984, after years of a tumultuous relationship, legendary soul singer, Marvin Gaye, was shot twice and killed by his father, Marvin Gay Sr.

The non-profit Texas EquuSearch, which helps find missing persons, has sparked a renewed effort to find the remains of possible additional victims of the ‘Candy Man’ serial killer.

In January 1977, Gary Gilmore gained international attention for his choice to die by firing squad after being sentenced to death for the murder of two young Mormon men.

Ramirez terrorized California during the 1980s.

In the panoply of American killers, Gary Ridgway stands out.

Gein was notorious for his fascination with women’s body parts.

Letourneau's affair with her student stunned America in 1997.

The case of Hae Min Lee’s murder captivated the world.

Laci Peterson vanished in 2002—Scott was later convicted.

Broderick fired five shots at her ex-husband before fleeing.

David Berkowitz’s 1977 arrest ended a year of fear in NYC.

The 1969 Manson murders marked the dark side of the ’60s.

A fashion icon’s murder capped Cunanan’s killing spree.

Hernandez’s case raised questions far beyond football.

The Murdaugh murders exposed a web of deceit and financial crime.

Caylee Anthony’s disappearance shocked the nation in 2008.