Jack Worth, Associate Producer for "On the Case with Paula Zahn," reveals how a serial killer was caught after 10 murders, and why some were against giving him the death penalty.

Jessica Heasman, Associate Producer for "On the Case with Paula Zahn," discusses the criminal process for the murder of Rhonda Boggs and new evidence overturns a witness testimony.

Eric Ritter, Executive Editor for "On the Case with Paula Zahn," shares the story behind the shocking murder of two teens in the Arizona desert, an investigation that spanned more than 25 years.

Paula Zahn speaks with a victim who for weeks lay in a hospital bed, a prisoner in her own body.

Paula Zahn speaks with a confessed murderer who provides some shocking insight into why she decided to murder another human being in cold blood.

Current DNA testing reveals the truth behind the murder of Christine Schultz, but will it be enough to clear Laurie Bembenek of her murder?

Convicted killer, Laurie Bembenek and her boyfriend have been on the run for three months when their luck suddenly changes.

A man in Huntsville, Alabama is found dead in his mansion. The small town is shocked when his wife and her twin sister are suspected of murder, dubbing them "The Black Widows."

When a couple is found murdered on the fairgrounds, it becomes the first homicide ever in the 150-year history of the Iowa State Fair. Police unravel a shocking plot that leads back to the unlikeliest of suspects.

A tip leads Delaware state police to a man who matched their composite. When they search his truck, they find something very odd inside.

ATF agents try to piece together how the bomb that killed Kem was constructed and learn something shocking about where it was constructed.

Detectives dig deeper into Christie's relationship with her husband and find she might not be who she seems.

After the police bring Kay's friend Mike Kipp in for questioning, they realize that they might know who Kay's killer might be.

Detectives try to piece together where Juan Reyes was in the hours leading up to Richard's murder.

November 11, 1983, it was checkout time at the Comfort Inn in Santa Fe, New Mexico. But what appeared to be a routine morning at the motel quickly became an unforgettable nightmare when a housekeeper entered room 205 to clean up.

On June 5, 1987, Elaine Walker is murdered, detectives must solve several terrifying crimes before they can bring her killer to justice.

Linda Donahew, of Arlington Texas, was discovered stabbed to death by her sister one night in June.

A daughter spends 25 years pursuing the truth behind her mother’s mysterious murder.

An unsolved murder sends a district attorney down a trail of madness and terror.

Kristen Ilagan, Associate Producer for "On the Case with Paula Zahn" discusses two different murders by the same killer, and describes how similar they were.

A 22-year-old real estate agent is discovered strangled to death inside a model home she was trying to sell.

Typical video scanning software wasn't going to cut it on this surveilance camera footage. The FBI called up NASA to see if they could help out.

Jessie Heasman, Associate Producer for "On the Case with Paula Zahn" describes how security footage was crucial in finding the killer.

On the morning of December 23, 1981, Dallas County Sheriff’s Deputy, Roy Baird was on a routine patrol when he spotted a Ford Thunderbird abandoned on a remote dirt road.

On June 5, 1987, Elaine Walker is murdered, detectives must solve several terrifying crimes before they can bring her killer to justice.

On the morning of September 1, 1979 Peter Caltury went to his daughter's apartment to find out why she was late to work. Inside his daughter, Janet Walsh, was in bed under the covers. When he tried to wake her he realized that the 23 year old was ...

Jessie Heasman, Associate Producer for "On the Case with Paula Zahn" talks about how ordinary the killer seemed to the police.

Jack Worth, Associate Producer for "On the Case with Paula Zahn" talks about the aftermath of a murder where the victims family had to help the police investigate the crime scene.

A single mother is murdered at work. The woman was identified as the store’s assistant manager, 24-year-old Vicki Knight. Investigators found no signs of break in but $3100 was missing from the store’s safe.

On the morning of March 27th, 2003 a woman working at church and daycare center in Greenville, Ohio was struck by a disturbing sight. A four-year-old boy wearing blood stained pajamas was standing at the front door.

November 11, 1983, it was checkout time at the Comfort Inn in Santa Fe, New Mexico. But what appeared to be a routine morning at the motel quickly became an unforgettable nightmare when a housekeeper entered room 205 to clean up.

October 23, 1997. It was the middle of the night when a Sheriff’s deputy’s headlights illuminated a shocking sight. It was the lifeless body of young woman, lying on the ground off the side of a dark cemetery’s access road.