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The Hot mic

Robert Durst: The Billionaire Behind the Mask

How a New York real estate heir became one of America's most notorious murder suspects

Published
December 16, 2025 at 01:11 PM

Robert Alan Durst, born April 12, 1943, was the eldest son of New York City real estate magnate Seymour Durst—a position that promised wealth and privilege but delivered notoriety and suspicion instead. By the time of his death on January 10, 2022, the billionaire real estate heir had become one of America's most infamous murder suspects, connected to three deaths spanning four decades.

The first shadow over Durst's life came in 1982, when his first wife, Kathleen "Kathie" McCormack, disappeared on January 31. The case remained unsolved for nearly four decades, but Durst emerged as the primary suspect. When his sister Wendy tipped him off that the investigation into McCormack's disappearance had been reopened, Durst fled to Galveston, Texas, where he lived in disguise as a mute woman named Dorothy Ciner.

It was in Galveston that Durst's violence escalated. On an unspecified date in 2001, he killed his neighbor Morris Black. Durst admitted to the killing but claimed self-defense. He went further—he dismembered Black's body, and parts were found floating in Galveston Bay. Despite the admission and the gruesome evidence, a jury acquitted him in 2003.

But the most consequential crime in Durst's criminal trajectory was the 2000 murder of Susan Berman, his longtime friend and confidante. Berman was shot in the back of the head at her Beverly Hills home. Prosecutors alleged she had incriminating knowledge about Kathie McCormack's disappearance. Durst later admitted to sending an anonymous "Cadaver" note to police, directing them to Berman's body—though he denied pulling the trigger.

Durst's unraveling accelerated in the public eye after the 2015 HBO documentary series *The Jinx: The Life and Deaths of Robert Durst*. In a moment that would haunt him, Durst was caught on a hot microphone muttering: "What the hell did I do? Killed them all, of course."

The day before the finale aired, federal agents arrested Durst in New Orleans. He was carrying a latex head-to-shoulder mask, fake identification, $42,000 in cash, a gun, and a map of Cuba. He was extradited to Los Angeles to stand trial for Susan Berman's murder.

The trial began in May 2021, delayed by the COVID-19 pandemic. Durst took the stand in his own defense, testifying for 15 days. He admitted to discovering Berman's body but claimed he hadn't reported it to authorities. Crucially, he testified that he would lie under oath rather than admit to murder—a statement prosecutors used to devastating effect. During closing arguments, Deputy District Attorney Habib Balian displayed the latex mask to the jury, a chilling visual aid to Durst's capacity for deception.

On September 17, 2021, Durst was convicted of Susan Berman's murder and sentenced to life imprisonment without parole. Shortly after his sentencing, he was charged with Kathie McCormack's murder—a case that had haunted investigators for nearly 40 years. But Durst would never stand trial for his first wife's disappearance.

On January 10, 2022, Robert Durst died in prison at age 78. His conviction in Berman's murder was vacated upon his death due to a pending appeal, leaving the case in legal limbo. The disappearance of Kathie McCormack remains unsolved, and the full truth about that January night in 1982 may never be known.

**Sources:** https://en.wikipedia.org/wiki/Robert_Durst https://www.independent.co.uk/news/world/americas/crime/robert-durst-mask-murder-trial-b1917331.html https://www.aetv.com/articles/robert-durst https://www.ladbible.com/news/crime/the-jinx-doc-ending-robert-durst-cadaver-note-explained-susan-berman-979151-20251118

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