Ian Halperin is a Canadian investigative journalist and writer whose 2009 book, Unmasked: The Final Years of Michael Jackson, which was a number one best seller on the New York Times list on July 24, 2009. He is the author or coauthor of nine books, including Celine Dion: Behind the Fairytale, Fire and Rain: The James Taylor Story and Hollywood Undercover. He coauthored Who Killed Kurt Cobain? and Love and Death: The Murder of Kurt Cobain with Max Wallace. Halperin has contributed to 60 Minutes II and is a regular correspondent for Court TV.