Marcia Clark spoke with us about a shocking computer search from the Anthony home.

Marcia Clark tells us why she was interested in investigating the mysterious death of Rebecca Zahau.

Marcia Clark of 'Marcia Clark Investigates the First 48' talks about why she believes Drew Peterson murdered his wife, Stacy Peterson.

Prosecutor Marcia Clark spoke with us about the suffering she felt after the O.J. trial and why she'd make a good juror.

Marcia Clark of 'Marcia Clark Investigates the First 48' tells A&E True Crime what swayed her in determining who was really at fault for Bonny Lee Bakley's death.

The year 2017 was an explosive one on the crime-news front. But for the families of some long-ago crime victims, the past 12 months were especially memorable since their loved ones’ cases—some unsolved for decades—took dramatic new steps toward being solved

In 1937, three young girls were sexually assaulted and strangled after playing at an Inglewood, California park. A suspect was caught, convicted and sentenced to death. Pamela Everett, a journalist, lawyer and niece of two of the girls, explores the tragedy and investigates whether the wrong man was convicted of the murders.

From the arrest of a suspect in the Golden State Killer case to a serial killer's confession to the murder of 90 women, 2018 has been a breakthrough year for cold cases.

The United States may have churned out the highest number of serial killers in the world over the years, but it certainly doesn't hold exclusive rights on brutal murders. Learn about some international serial killers and how their respective countries handled their crimes.

Since the 2017 murder of Indiana teens Libby German and Abby Williams, local authorities have not released any information about the cause or time of death of either victim, leading to rumors and speculation. We spoke with Indiana State Police First Sgt. Jerry Holeman about why the police are holding back details about the murder.

A&E investigates what life might be like for Chris Watts, the 33-year-old-Colorado man who pleaded guilty to murdering his wife and two daughters in November 2018, at the Dodge Correctional Institution in Waupun, Wisconsin.

From Slender Man to Robocop to Freddy Krueger and more, read how some killers were inspired by the gruesome actions of fictional villains.

Peter Vronsky, author and investigative historian, speaks with us about ancient killers, the influence of technology on crime and how, in 100 years, the Long Island Serial Killer could be the new Jack the Ripper.

The famous prosecutor on the negative effect the media had on the investigation into what really happened to Chandra Levy.

*A&E Crime & Investgiation* spoke to a psychologist and a criminal profiler about the serial killers featured on Mindhunter.

One of the young victims may have captured audio and photo clues that point toward the killer.

Stacy, the fourth wife of Drew Peterson, who was convicted of murdering his third wife, Kathleen Savio, has been missing since October 2007.

Some of the most notorious serial killers of our time have something in common, beside their thirst for blood: They were all adopted. We spoke with criminologist Dr. Scott Bonn to see whether there is any evidence of an adoptee-serial killer connection.

True-crime author Michael Arntfield talks about homicide detective Pat Postiglione, who headed up Nashville's cold-case Murder Squad and solved dozens of unsolved murders, and how the country-music mecca became a murder hub.

When Lizzie Borden was arrested and charged with the gruesome 1892 axe murders of her father and stepmother, no one could have predicted the widespread, lasting fascination with the case. We spoke with lawyer Cara Robertson about her new book, 'The Trial of Lizzie Borden,' about the most intriguing elements of the murder case.

The “Killer Clown" did most of his artwork behind bars.

Former FBI special agent John Douglas spent his 25-year career with the Bureau interviewing hundreds of America's most infamous killers, from Charles Manson and Ted Bundy to the 'BTK Killer,' Dennis Rader and more. The 'Mindhunter' author talks to us about his new book, 'The Killer Across the Table,' and his tried-and-true interview techniques.

On November 15, 1990, a 2-year-old boy, Billy Blankenship, was reported to have fallen down the stairs in his babysitter's care in Concordia, Missouri. The sitter, Tawny Sue Gunter, claimed she had put the boy in her basement as she prepared lunch upstairs. The boy suffered a skull fracture and later died. But that wasn't the end of the story.

On June 4, 2008, a 30-year-old legal-insurance salesman named Travis Alexander was brutally slain in the bathroom of his Mesa, Arizona home. We examine the details of the crime, the conviction of Alexander's girlfriend Jodi Arias and what Arias's life is like in prison now.

Debates around and other little-known facts about the leader of the Branch Davidians, David Koresh, and the Waco siege.

With the premiere of the new A&E series Cults and Extreme Belief, A&E explores some big questions about the groups Heaven's Gate, the Moonies and the Rajneeshees.

One element of the 1978 mass death at Jonestown that hasn't been explored much is leader Jim Jones' rampant drug abuse—and how he used substances as a tool of control in his church. A&E True Crime investigate the roles drugs played at Jonestown.

Wayne Williams has been in prison for almost 40 years after being convicted of murdering two men. Although he was never tried or convicted, the murders of 29 kids and young adults were attributed to him as well.

Shortly after Chris Watts was sentenced to three life sentences without the possibility of parole for the murder of his wife and two daughters, prosecutors released a 2,000-page document known as the discovery (i.e. their evidence against Watts). The file contained a massive trove of surveillance photos, FBI interviews, text messages, police interviews with friends and family and more. We examine some of the discovery's details.

Exploring the details about the serial killer's January 1989 execution, including celebrations and commemorative T-shirts.

In 1994, a South Carolina mother drowned her two young sons, Michael and Alexander, by launching her car into the John D. Long Lake. What's her life in prison like?

Take a closer look at what famous FBI profiler John E. Douglas and others in the FBI had to say about the cult leader.

After the still-unsolved murder of Elizabeth Short—the 22-year-old woman and aspiring starlet later dubbed 'The Black Dahlia'— the media and preachers used the case to warn young women of what could happen when you try to leave your family and seek fame.

The mysterious multiple disappearances of Hannah Upp have been a public fascination for years—but are we any closer to finding answers?

Writer Larry Brand of the 'Young Charlie' podcast talks about misconceptions about the deranged cult leader's early years.

Journalist and therapist Nikki Meredith has corresponded with two of Charles Manson's most infamous followers for decades: convicted murderers Leslie Van Houten and Patricia Krenwinkel. Meredith speaks about what the former cult members are like today.

'Dirty John,' real name: John Meehan, was a criminal, con artist and master manipulator known for preying upon women in various states who he considered easy targets. A&E dives into the backstory of the infamous lothario known as Dirty John.