Matt Birkbeck (born Brooklyn, N.Y.) is an American investigative journalist and author. He is best known for his books A Beautiful Child (2004), which told the tragic story of "Sharon Marshall" and her "father" Franklin Delano Floyd, and the sequel Finding Sharon (2018), which is a memoir about his ten-year effort, along with the FBI and National Center for Missing & Exploited Children, to find Sharon's true identity. Both books were adapted by Netflix for the 2022 documentary Girl in the Picture, for which Birkbeck is executive producer. He also wrote the critically acclaimed Deconstructing Sammy (2008) about the life of Sammy Davis Jr. and efforts to resolve his debts and his legacy following his death in 1990, The Quiet Don (2013), about the influential Mafia boss Russell Bufalino, and he also authored A Deadly Secret (2002/2015), about New York real estate scion Robert Durst, who was accused of murdering his wife Kathie Durst and two others. The book was adapted by Lifetime for the 2017 movie The Lost Wife of Robert Durst. Source: Wikipedia (en)