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Sweeney was later convicted of voluntary manslaughter and served three years and seven months for murdering Dunne. He returned to work as a chef at another upscale LA restaurant. It's believed Sweeney eventually changed his name and left Southern California for good (per Reel Reviews ).
On October 30, 1982, "Poltergeist" star Dominique Ellen Dunne was strangled by her ex-boyfriend John Thomas Sweeney at her California home. She was a promising horror actress — then she was brutally murdered in real life by her ex-boyfriend.
Now, Dominique Dunne's case is being re-examined. At just 22 years old, the Poltergeist actress died in 1982 after being strangled by her ex-boyfriend, Wolfgang Puck protégé John Sweeney....
On October 30, 1982, Dunne was strangled by her ex-boyfriend, John Thomas 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.
John Thomas Sweeney was charged with Dominique Dunne's murder, and the case went to trial in August 1983.
Convicted of voluntary manslaughter after a highly publicized trial in 1983, John Sweeney spent 3 years, 7 months and 27 days in custody, most of it as a clerk at the medium-security state...
It is always the murder victim who is placed on trial. John Sweeney, who claimed to love Dominique, and whose defense was that this was a crime of passion, slandered her in court as...
