Jason Collins

New technology and volunteer groups are helping police identify decades-old John and Jane Does. Finding their identities helps bring closure to families.

In 2017, a University of Illinois student went missing and was later declared dead. The suspect was caught because of an internet search history and his own bragging.

Sammy "The Bull" Gravano is a famous mobster who was known for killing and ties to John Gotti. But, do you know the story about how he got his nickname?

Copycat killers are uncommon, but here are some cases of people finding inspiration in other murderers. Could social media lead to an increase in these cases?

Police in Indiana continue to investigate the Delphi murders of two teenagers. But, has being tight-lipped about details of the case hurt efforts to find the killer?

When nurses and doctors turn to murder, it often leaves a shocked nation and a trail of murder. Here are cases of serial killers among health professionals.

"The Little Hosue on the Prairie" is one of the classic pieces of American writing, but did you know there is a tie to the early serial killers the Bender Family?

Some serial killers have kept trophies of their murders. Here are the stories of some killers, the items they kept and why some experts believe some need memories of their actions.

Patty Hearst was abducted in 1974 and later seen helping the group that kidnapped her. Some blamed Stockholm Syndrome, but how much of it is real?

Helle Crafts' murder has gained fame for the way her husband tried to cover it up by putting her through a woodchipper. Here is the story of their lives and her death.

Cannibal serial killers are the worst murderers many can think of, but they are rare. Whether in real life or TV they are almost always compared to one character, Hannibal Lector.

Jack the Ripper killed five people in London in the 19th Century, but his story lives on years after he died without his identity known. Here's how a neighborhood might have helped.

Convicted murderer Sada Abe reached celebrity status in Japan because of how she killed. It's a story of sex and a man being mutilated. Here are the details of her crime.

Rasputin, the "Mad Monk of Russia," is a notorious political figure in the early 20th Century. He was murdered, but just how much of how he was killed is true?

One of the investigators or the brutal, satanic murders in Fall River, Massachusetts, recalls the case ahead of a new EPIX True Crime doc.

Have you heard of Pedro Rodrigues, the man dubbed the "killer of killers" in Brazil? Here is the untold story of the man who may have killed more than 100.

You may have heard of the "Lonely Hearts Killers," but did you know about the trauma they experienced early in life that might have contributed to their killing spree?

Lizzie Borden was accused of murdering her parents in Massachusetts in the 19th Century. Her case became one of the first notable trials in the U.S.

The "murder castle" of Chicago killer H.H. Holmes is known throughout the world. But, did it even exist? Experts are skeptical on early serial killer fable.