A brutal 2008 homicide in Omaha leaves detectives puzzled until another killing five years later reveals a link between all the murders. Police track clues to a local hospital and wonder whether a doctor could be a killer.
In a 1976 ambush in a mansion owned by Texas oilman Cullen Davis, his estranged wife Priscilla was wounded and Priscilla's daughter and boyfriend were killed. Tried for the crime, Cullen Davis was acquitted.
Before her sudden 2016 death, true-crime writer Michelle McNamara, wife of comedian Patton Oswalt, was obsessed with trying to find the serial killer she named "the Golden State Killer" who terrorized Californians between 1979-1986.
In 1990, 8-year-old Jennifer Schuett was abducted from her home and survived a vicious attack in which she was raped and had her throat slashed. Nearly 20 years later, forensic technology helped find her assailant.
In 2015, David Temple's conviction and life sentence for his wife's 1999 murder were overturned because the state withheld evidence from the defense. Richard Schlesinger reports whether Temple will be detained or the charges against him dropped.
What began as a missing persons' case in the late summer of 2016 became the astounding story of serial killer Todd Kohlhepp. To avoid the death penalty, the former real estate broker pled guilty to seven murders.
Twenty years after Gianni Versace's 1997 murder at his Miami Beach mansion, it remains a mystery if he knew his killer, Andrew Cunanan, who murdered four other men—but committed suicide before police could capture him.
With Julie Kibuishi dead in Sam Herr's apartment and Sam nowhere to be found, police thought he had killed her. But Sam's father refused to believe that Sam was guilty and led detectives to another suspect : a friend of Sam's, who, it seemed, knew more.
The murder of 81-year old Marjorie Nugent by her younger companion Bernie Tiede captured the imagination of filmmaker Richard Linklater, who turned it into the 2011 movie "Bernie." But as Linklater later learned, he, too, would become part of the plot.
Shelley Mook, a young Tennessee mother, was last seen by her 6-year-old daughter entering the home of ex-husband Tyler Mook. But with no body, no crime scene and no hard evidence, police couldn't make the case against him. Michelle Miller reports.
Sophia Putney-Wilcox's relationship with her high-school boyfriend Adam Shigwadja had become so abusive that he had been arrested once for threatening her with a knife. But nothing the court could do to separate them worked—until all hell broke loose.
Two SUVs and a motorcycle race down a Texas highway. In this high-speed chase between both the wife and mistress of Bill Hall, his life would hinge on a U-turn and detectives would have to decide if this was reckless driving or murder.
For this serial rapist, it was all about control and fear. To avoid capture, he spread his net wide, choosing his victims from all over the Denver area. Now, he was about to be outsmarted by a pair of female detectives from different police departments.
There are some anonymous messaging apps like "Kik" that have proved dangerous to teenagers because they can also be used by sexual predators. Two teenage girls fell into that trap and their online relationships soon became a matter of life and death.
An investigation into the 2011 death of Thomas Kolman in Kingston, N.Y. Gilberto Nunez, a close friend, was charged with murdering him. But Nunez, in an interview, claims he is innocent, even though he was having an affair with Kolman's wife.
In October 2014, 19-year-old Danielle Nemetz was shot and killed by her husband Skylar in their Washington state home. Skylar, a trained soldier, insisted that he had misfired the rifle and killed her by accident, but the state maintained it was murder.
Kent Heitholt, a newspaper editor in Missouri, was found bludgeoned and strangled on Halloween night 2001. Two years later, 19-year-old Charles Erickson had a dream that he and his friend Ryan Ferguson had participated in the crime.
An interview that Robert Durst gave to L.A. prosecutor John Lewin is featured. The talk touched on the murder of Susan Berman and, with Durst suspected of killing her, the conversation may play a role in the case against him.
David Temple was in prison for life for his wife's murder when an appeal in 2015 gave him reason to hope. It consisted of evidence that his lawyer never got from the state, which his defense says could have changed the verdict.