Serial killers

Police in California arrested a suspect in connection with what they believe may have been the serial killing of six male victims at the hands of one man.

They were the "Ken and Barbie Killers" and they looked perfect on the outside, but had hearts as black as coal.

A DNA sample taken from Rex Heuermann's wife matches hairs found on the victim's remains, according to officials.

Paul John Knowles was a handsome devil born to raise hell, as he left a trail of bodies from Florida to Texas during a 1974 rampage.

Two serial killers worked in Louisana at the same time. While they killed separately, their cases are linked as they were ID'ed in the same investigation.

The man known as the 'Cleveland Strangler' died in prison recently. Here is a look back at his crimes and the shock it caused in Ohio.

Pediatric nurse Genene Jones injected kids with lethal doses of medication, then basked in the praise she received for trying to save their lives.

There was a string of females killed along interstates in the Bible Belt. But, the question is how many killers were responsible for the deaths?

A former employee of Gilgo Beach serial killer suspect Rex Heuermann claims he once stalked her onto a birthday cruise.

Serial killer Dorothea Puente poisoned her tenants and then buried their bodies in her yard while she continued to cash their Social Security checks.

Gilgo Beach serial killer suspect Rex Heuermann is facing a new lawsuit for unpaid labor wages, according to officials.

These are some of the most famous serial killers, but they held jobs just like normal people. The list includes John Wayne Gacy and Ted Bundy.

Gerard Schaefer might have killed and raped dozens of women in Florida. Though he worked for a short time as a cop and tried to be a priest.

Co-workers and lovers Gwen Graham and Catherine Wood used murder to boost their sex life, killing five patients at the Michigan nursing home they worked at.

Here is the story of Canadian serial killers Karla Homolka and Paul Bernardo. The duo killed and videotaped several of their attacks. But, where are they today?

They are some of the country's most notorious killers and their crimes shocked the world. Here are their last meals before they were executed.

Many serial killers are eventually caught. But, here are four cases where the killer has never been caught and the murder cases remain active.

More than 10 deaths on Long Island, New York might be the work of one, or multiple, serial killers. Here is a recap of the deaths, many of whom were prostitutes.

A man serving time for child sexual assault was allegedly killed by his serial killer cellmate in California, authorities said.

A man already in prison for murder said he “found God” and recently confessed to the cold-case killing of a woman in Florida from 30 years ago.

Police in California believe a serial killer may be responsible for the deaths of five men who were shot while they were walking alone, authorities said.

The tools used by Jeffrey Dahmer during his serial killing spree in Wisconsin were once auctioned off. Here is a look back on that decision.

A man called a serial killer who murdered five people in California will now head to prison. His spree lasted between March and April 2014 in the L.A. area.

A serial killer in Mississippi killed several people, including two people who were having a BBQ. Now, the cold-blooded killer will spend years behind bars.

A man has been arrested and charged in connection to three deaths in North Carolina, police said. Officials are looking to see if he's connected to other cases.

A serial killer operated in the Daytona Beach, Florida, area in the mid-2000s. He escaped the death penalty for murder but was sentenced to life in prison.

In Atlanta, bodies of children and a few adults started to pile up in the late 1970s and early 1980s. A hunt then unfolded for Black serial killer Willie Williams.

Wayne Williams was one of the most prolific Black serial killers in America. He was connected to two dozen of the Atlanta Children Murder cases.

A man in prison in Virginia for murder admitted to one killing and gave information about another, police said. The murders happened in Maryland and Virginia.

The "Honolulu Strangler" left five victims dead in Hawaii in the 1980s. Police had a prime suspect but were never able to definitively connect him to the case.

Two homeless people killed in Miami. Now police say suspected serial killer arrested and third possible murder could be linked to same person.

Authorities have identified a suspected serial killer who is believed to be connected to multiple murders in the Washington D.C. area, authorities said.

The "Grim Sleeper" killed in the Los Angeles area from 1984 to 2007 and he often targeted sex workers. A new REELZ documentary looks at the case.

Here is the story of five serial killers who killed in international countries. Some have body counts that total more than 200 murder victims.

An alleged serial killer is on trial in Texas. He is accused of killing a dozen people at nursing homes in the Dallas area. All the victims were elderly.

A suspected serial killer was arrested in connection to the deaths of six people in and around the St. Louis area between September and October, police said.

A man who had already admitted to two cold-case murders in New Mexico has now confessed to a third, police said. The latest killing involved a teenager.

After 37 years, a victim of serial killer Robert Hansen was identified using DNA. The victim was killed in Alaska. Hansen killed 17 women in his spree.

A Florida man allegedly shot two random strangers and authorities believe he could have become the state’s next serial killer, an official said.

A serial killer in New Jersey who lured women via dating apps was sentenced to prison. One victim's family helped police catch the suspect after the murder.

A group of investigators say they have a strong suspect in the Zodiac Killer case. But, police refuted their claims as the serial killer's ID remains unknown.

A father and son are accused in connection to a serial killings of three people in Los Angeles. Here is how they were finally identified.

The trial has begun for a former nurse who allegedly killed four heart surgery patients in Texas. The suspect faces the death penalty in the case.

Three children were killed the same way in the same area of New York in the 1970s. But was it one killer or more? Their cases became known as "The Alphabet Murders."

Robert Durst, a suspected serial killer, was found guilty of killing his friend in California. The murder is one of three that prosecutors say he committed.

Gary Bowles was known as the "I-95 Killer" and managed to stay ahead of police as he left dead bodies along the East Coast. Here is the story of his killings and capture.

Darren Vann was a serial killer who targeted sex workers in Indiana. He helped lead police to the bodies he left in abandoned homes after the murders.

Authorities have issued a premeditated murder warrant for a suspected serial killer they believe is responsible for the murder of a pregnant Michigan woman.

The serial killer known as the "Dating Game Killer" died of natural causes while being held on death row. The murderer had been linked to deaths in California, New York and other states.

Authorities are working to determine the identities of the women found dismembered in the home of a serial killer known as Andres N. Police say he killed for decades.