Deadly Conspiracy

Keith Morrison sits down with Dennis Murphy and Dateline producer Michelle Madigan to discuss their episode, “Simply Diabolical.” In May 2016, 29-year-old Michelle Hadley allegedly sent several threatening emails to her ex-boyfriend, Ian Diaz, and his new wife, Angela. But it was ... Show More

A bizarre cyber-revenge case lands a young woman in jail; an unexpected twist reveals the real culprit. Dennis Murphy reports. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising. 

Hey Dateline fans, here's a special preview of the next episode of Dateline: Missing in America Season 5. In “No Ordinary Sunday,” Josh Mankiewicz reports on the disappearance of 28-year-old Marilyn “Niqui” McCown, who vanished in Richmond, Indiana, on July 22, 2001, just weeks b ... Show More

A mother of five disappears. A look inside the conspiracy to kill her. "48 Hours" correspondent Erin Moriarty reports. 

In June 2009, Joanne Witt was stabbed to death while sleeping in her California home. Prior to her death, Joanne had confronted her 14-year-old daughter about her 19-year-old boyfriend. Authorities believed that the teenage couple plotted to kill Joanne because she tried to end t ... Show More

A beloved doctor and his family are murdered. A suspect emerges with a fantastical story of shadowy figures and intrigue straight out of a spy thriller. Natalie Morales reports. 

On Valentine's Day morning in 2000, Jane Dorotik learned that her husband of 30 years was dead. The 55-year-old engineer and father of three was found on a road near their home, bludgeoned to death with a rope around his neck. Despite her denial of any involvement, Jane was arres ... Show More

A talented television news anchor was shot to death outsider her home; it appeared to be a crime of passion, perpetrated by an obsessed fan. A police dog tracked the scent of the killer through the adjacent woods and back to the crime scene. Could the murderer be one of the onloo ... Show More

The quiet town of Tomahawk is rocked when long time resident 42-year-old Tracy Maurer is found brutally stabbed to death in her home. Police have a laundry list of suspects but it's a tip from the rumor mill that finally brings closure to the case.Season 2, Episode 12 originally ... Show More

The victim was brutally murdered. Police learn her fiancé was having affairs with other women, and he becomes the prime suspect... that is until a man comes forward who not only believes he owns the murder weapon, he also knows who used it. To learn more about how HLN protects li ... Show More

When shotgun blasts killed Georgia businessman, Phillip Heidt, his son Carey, and wounded Phillip’s wife, Linda, investigators wondered if it was a robbery gone wrong. When they discovered a family secret, they suspected murder was the motive. “48 Hours" Correspondent Susan Spenc ... Show More

A talented television news anchor was shot to death outside her home; it appeared to be a crime of passion, perpetrated by an obsessed fan. A police dog tracked the scent of the killer through the adjacent woods and back to the crime scene. Could the murderer be one of the onlook ... Show More

A tight-knit community is stunned when the body of Cynthia Epps is found stuffed into a cabinet in her Buffalo, NY, neighborhood. A clever killer eludes capture for nearly two decades but new technology and dogged detective work put him behind bars.Season 3, Episode 6 originally ... Show More