Kerri Rawson, daughter of Dennis Rader, otherwise known as serial killer BTK, talks to A&E True Crime about her struggle to reconcile the man who raised her with the one who, for years, terrorized her hometown of Wichita, Kansas.

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.

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.

Officers Juan Mercado and John Oliva share their most memorable moments on the job and what they like to do for fun.

Serial killer Richard Ramirez, otherwise known as 'The Night Stalker,' terrorized California in the mid-1980s with a series of rapes and murders. A number of women who survived his attacks mentioned his rotten teeth, among other details, helping police create a profile of the suspect.

A&E True Crime takes a look back at the horrific crimes of Canadian serial killer and 'Cold Case Files' subject Ronald Glenn West and investigates where is he now.

Neal Smither on his peculiar brand of janitorial work and why some people are interested in crime-scene photos.

And...the most valuable tool for finding missing kids.

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

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

Knox faced an eight-year legal battle for her roommate's murder.

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 sheriff talks about his biggest concerns when filming "60 Days In," the challenges in his facility and advice he gave show participants.

From putting himself on the stand to proposing to his girlfriend in court, we look at some of the most outlandish moments from the serial killer's murder trials.

Explore theories surrounding the more than 60-year-old unsolved case of a dead boy found in a box in Philadelphia on Feb. 25, 1957.

A&E talks to experts on Jeffrey Dahmer about his early life and what may have led to him becoming a serial killer.

A&E asked Live PD analyst Tom Morris Jr. to look back on the past year and tell us about the show moments most memorable to him.

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.

In November 2018, serial killer Samuel Little, 78, confessed to murdering 90 women. While the number may be astonishing.

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.