Hollywood producer and Vanity Fair scribe Dominick Dunne died today at 83. Self-described as a "a high-class Zelig," Dunne is best known for writing about the "courtroom travails of the rich and famous." He is also also known as the father of the Dominique Dunne, the actress who played the older daughter in Poltergeist, who was murdered by her boyfriend. Dunne "vented his anger at the legal system in Justice: A Father's Account of the Trial of his Daughter's Killer, following the murder trial of John Sweeney, the estranged boyfriend who strangled 22-year-old Dominique Dunne, in 1982. Sweeney spent fewer than three years in prison." Dunne died after battling cancer.