“As a reporter for Vanity Fair magazine, Mr. Dunne was perhaps the country’s foremost chronicler of crimes among the privileged. He developed his journalistic specialty in a painfully personal way, when Tina Brown, the newly installed editor of the magazine, asked Mr. Dunne to cover the 1983 Los Angeles trial of a man charged with killing a promising young actress. The actress was Mr. Dunne’s 22-year-old daughter, Dominique Dunne.”