Dateline NBC

Sarah Hartsfield, an Army veteran and mother of four, was found guilty on October 8, 2025, of murdering her fifth husband, Joseph Hartsfield, 46, by poisoning him with insulin in their Beach City, Texas home in January 2023. The rapid conviction followed a one-week trial in Chambers County and has reopened questions about other deaths linked to the defendant.

In November 2012, Cari Farver vanished from Omaha, Nebraska, after a brief relationship with Dave Kroupa. What followed was an unprecedented case of digital impersonation: thousands of harassing messages sent from Farver's phone over three years—not by her, but by her killer.

Journalist Keith Morrison examines the puzzling disappearance of Cari Farver, a single mother whose vanishing weeks into a new romance triggered a cascade of threatening messages, stalking, and violence. The case unfolds across Morrison's podcast 'Something About Cari,' available on major streaming platforms.

Cari Lea Farver, a 37-year-old computer programmer from Macedonia, Iowa, disappeared on November 13, 2012. What began as a missing persons case became a haunting tale of impersonation, harassment, and murder—solved not by traditional detective work, but by the digital footprint her killer left behind.

In 2015, Florida State University professor Dan Markel was found shot dead in his garage—a crime that would expose an elaborate murder-for-hire conspiracy orchestrated by his ex-wife's family. A Dateline NBC investigation brought the case into international focus, revealing how personal disputes escalated into premeditated violence.

In 2008, Clifford Lambert, a 74-year-old Palm Springs art gallery dealer, was murdered in his home and his body remained hidden until 2017. Kaushal Niroula, a transgender fraudster claiming false descent from Nepalese royalty, orchestrated the killing as part of a broader scheme involving a network of gay grifters from San Francisco and Los Angeles.

Eric Thompson, a 47-year-old anesthesiologist from Maui, was found guilty of murdering Jon Tokuhara, an acupuncturist in Waipahu, Hawaii, in January 2022. The crime emerged from a love triangle that had developed months before the shooting.

On December 14, 2023, Kristil Krug, 43, was found brutally murdered in her Broomfield, Colorado garage. Her husband, Daniel Bartholomew Krug, 44, had spent two months impersonating her ex-boyfriend online before executing a meticulously planned killing designed to frame an innocent man.

Sean 'Diddy' Combs faces multiple lawsuits following allegations of sexual abuse and trafficking, beginning with Cassie Ventura's November 2023 complaint that settled within 24 hours. Subsequent legal actions and FBI raids have kept the case in public focus, though details remain limited in English-language sources.

Karen Read was acquitted of second-degree murder, manslaughter, and leaving the scene of an accident in the death of Boston Police Officer John O'Keefe on June 18, 2025, after a second trial in Norfolk County, Massachusetts. The jury convicted her only of operating under the influence of alcohol.