Bryan Kohberger and The Idaho Student Murders

On Fourth of July weekend in 2005, police arrived at the Franklin, Tenn., apartment of Lesa Buchanan and were surprised by what they found: a cache of prescription drugs and sex toys. Lesa's boyfriend, Dr. Christ Koulis, told police they had spent most of the weekend in her bedroom having sex. Koulis, a plastic surgeon, had called 911 when she stopped breathing, and said he performed CPR, but that there was no pulse. At her apartment, detectives discovered used syringes with traces of oxycodone, a powerful narcotic available only from a prescribing physician. “48 Hours" correspondent Troy Roberts reports. This classic "48 Hours" episode last aired on 8/21/2010. Watch all-new episodes of “48 Hours” on Saturdays, and stream on demand on Paramount+.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Four college students are found stabbed to death in their home. Police say the suspect had studied the criminal mind. Peter Van Sant reports. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

College student Aniah Blanchard had a deep fear of being kidnapped. When she disappears, UFC fighter Walt Harris battles for justice for his stepdaughter. James Brown reports.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

In June 2000, Molly Bish disappeared from the local swimming hole where she worked as a lifeguard in her hometown of Warren, Mass. Nearly three years later, former police officer, Tim McGuigan, helped to uncover evidence that led to the discovery of Molly’s body. “48 Hours" correspondent Susan Spencer reports. This classic "48 Hours" episode last aired on 8/18/2004. Watch all-new episodes of “48 Hours” on Saturdays, and stream on demand on Paramount+.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

A woman discovers explicit photos of herself on her stepfather’s computer. Soon after, he’s found dead. Jade is a likely suspect, but did she do it? Tracy Smith reports.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

A 15-year-old boy goes to a dance and never returns. Teen killers keep a secret for 40 years -- until one of them cracks. Richard Schlesinger investigates.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

In 1986, Sherri Mae Rasmussen was attacked, beaten and shot to death in her Los Angeles home. Her father, Nels Rasmussen, was convinced Sherri’s husband, John Ruetten, was not involved. For more than two decades, Nels tried to get the police to focus on John’s ex-girlfriend, Stephanie Lazarus, a decorated Los Angeles police detective. Detectives trailed Lazarus to obtain a DNA sample and the results were stunning: the DNA from Sherri’s bite mark and that of Stephanie Lazarus matched. “48 Hours" correspondent Maureen Maher reports. This classic "48 Hours" episode last aired on 5/26/2012. Watch all-new episodes of “48 Hours” on Saturdays, and stream on demand on Paramount+.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

How to make sense of this incomprehensible tragedy? After the discovery of juror misconduct in the first trial, Megan is tried a second time. Detective Brian Byerson has also been in touch with Ashley Hargan weekly since her mother and sister were killed. She not only testified at trial; she made some dramatic moves after she discovered the truth.Get ad-free access to episodes of Blood is Thicker: The Hargan Family Killings by subscribing to 48 Hours Plus on Apple Podcasts or Wondery+ on the Wondery app. The series is widely available everywhere else you get your podcasts.Subscribe to 48 Hours+: https://apple.co/4aEgENoSubscribe to Wondery+: https://wondery.com/plus/See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

The bound bodies of four women are found along a desolate stretch of beach. Disturbing new details about the architect police say is a serial killer. Erin Moriarty reports.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Three young women murdered and the hunt for a serial killer named Hannibal. Harold Dow reports.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.