While her husband and daughters were out of state, Dr. Teresa Sievers was murdered. 'This was almost the perfect crime,' says prosecutor Cynthia Ross. 'There was absolutely no trace evidence.'

Lisa McVey was 17 years old when she was abducted, beaten and raped by a serial killer—and managed to survive. We spoke with McVey, now a master deputy in the Hillsborough County (Florida) Sheriff's Office, about how she outsmarted her kidnapper, Bobby Joe Long.

We spoke with Joni Johnston, a forensic psychologist, to explore the ancient legacy of poisonings, the psychological profile of a homicidal poisoner and common myths and misconceptions about those who poison.

Inconsistencies in a victim's story often lead to skepticism.

We spoke with legendary FBI profiler John Douglas about how a childhood injury may have pushed Joseph Paul Franklin to serial murder.

Having endured a violent and abusive childhood, Aileen 'Lee' Wuornos sold sex to survive—ultimately killing seven men. We spoke with feminist writer Phyllis Chesler about her motivation to help Wuornos's case.

Parents might not report their missing child for a myriad of reasons: because they are the perpetrator, immigration concerns and more.

The chief suspect—her estranged husband—took his own life.

On December 28, 1956, the Grimes sisters, 15 and 12, left home to watch heartthrob Elvis Presley in Love Me Tender in Chicago. Six decades later, their inexplicable murder remains unsolved.

For seven years, she was locked in a small, coffin-like box.

On Halloween 1974, a Texas man poisoned his young son with cyanide-laced candy in an attempt to collect the insurance money. He became known as 'The Candy Man.'

It's an exceedingly rare group of people who escape the clutches of a serial killer—only to find their lives forever changed by the ordeal.

Angeline Hartmann of the National Center for Missing & Exploited Children and A&E's "Live Rescue" on the role the internet plays in facilitating child abduction.

For fans of the 23-year-old pop star, her murder was a shocking tragedy. But for those close to Selena, it was an event foreshadowed by multiple warning signs of her fan club president's nefarious intentions.

Eddie Seda, Matthew Milat and Michael Madison are just a handful of killers who claim to have been inspired by other killers.

A popular theory claims three childhood behaviors—animal cruelty, fire setting and persistent bedwetting—can indicate a serial killer in the making.

A&E speaks with Alan Feuer about how a encrypted cell-phone system and a young technology specialist led to El Chapo's capture.

It's been over 40 years since Jeffrey MacDonald was convicted of killing his wife and daughters. But he still claims he is innocent.

The 27-year-old morning news anchor failed to show up for work.

The serial killer seemed to be a well-adjusted adult. But his crimes included binding, torturing, raping and ultimately murdering 33 male victims, some as young as 15 years old.

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.