In October 2013, Kelly Dwyer disappeared after a night out in Milwaukee. She was last seen entering her boyfriend's apartment, who told investigators that he and Kelly engaged in drug use, sex, and that she left his apartment the next morning. But security footage showed a different story. "48 Hours" correspondent Peter Van Sant reports. This classic "48 Hours" episode last aired on 5/16/2020. Watch all-new episodes of “48 Hours” on Saturdays and stream on demand on Paramount+.

In 2013, music pastor Caleb Flynn appeared on "American Idol", praising the wife he said he loved more than anything. Thirteen years later, he was sentenced to life without parole for her murder. "48 Hours" correspondent Anne-Marie Green and "48 Hours" consultant and investigator Herman Weisberg walk through the staged home invasion, his affair, and the text messages that helped convict him.

Sylvie Cachay was an up-and-coming fashion designer. In 2010, she was found dead and partially clothed in an overflowing tub at the Soho House in New York City. Police learned Sylvie had checked into the hotel with her boyfriend, Nicholas Brooks. Although there was an empty bottle of prescription pills nearby, the on-scene medical examiner found marks on Sylvie’s neck that suggested strangulation and the investigation quickly turned to Brooks. "48 Hours" correspondent Troy Roberts reports. This classic "48 Hours" episode last aired on 8/1/2026. Watch all-new episodes of “48 Hours” on Saturdays and stream on demand on Paramount+.

Former pro boxer, Ramon Sosa, owned a fitness gym and ran it with his wife, Lulu Sosa. But when their marriage began to sour, Ramon suspected he might be the potential victim in a murder-for-hire scheme. With the help of his friend and police, he set up a sting operation and staged a death scene to catch those responsible. "48 Hours" correspondent Peter Van Sant reports. This classic "48 Hours" episode last aired on 7/20/2019. Watch all-new episodes of “48 Hours” on Saturdays and stream on demand on Paramount+.

A missing lawyer, a plastic surgeon representing himself at trial, and a case filled with chilling details, including a murder bag and a paralyzing agent. "48 Hours" correspondent Erin Moriarty and "48 Hours" consultant Herman Weisberg unpack the murder trial of Dr. Tomasz Kosowski and the evidence that led to his conviction for the murder of attorney Steven Cozzi.

The relatives of killers often bear their own unique burden. Reports include Molly McIntyre, a police officer whose son strangled a woman; Ken and Lois Robison, whose son murdered five people; and David Kaczynski, who turned in his brother Ted, the Unabomber. "48 Hours" correspondents Susan Spencer, Bill Lagattuta, Maureen Maher and Troy Roberts report. This classic "48 Hours" episode last aired on 7/6/1998. Watch all-new episodes of “48 Hours” on Saturdays and stream on demand on Paramount+.

In 2003, the body of an unidentified teenage girl was found stuffed in a bag behind a restaurant. In hopes to identify her, a forensic sculptor created a reconstruction of her face, based on her skull. Authorities then received a call from a woman who had seen a flyer with the girl's face on it and feared she was her missing daughter. "48 Hours" correspondent Harold Dow reports. This classic "48 Hours" episode last aired on 7/4/2009. Watch all-new episodes of “48 Hours” on Saturdays and stream on demand on Paramount+.