Web Reference: On October 30, 1982, Dunne was strangled by her ex-boyfriend John Sweeney during an argument on the driveway of her West Hollywood home. She fell into a coma and died five days later on November 4, 1982, at the age of 22. Sep 21, 2024 · Dominique Dunne was a rising actress who starred in 'Poltergeist' when she was killed by her ex-boyfriend John Sweeney in 1982. Learn about their relationship, the crime scene, the trial, and Sweeney's life after prison. Oct 30, 2025 · In 1982, Dominique Dunne 's career was on the rise, with her role in the supernatural hit, Poltergeist, but that same year, the 22-year-old was killed on the driveway of her West Hollywood home.
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