Edward Jay Epstein (born 1935) is an American investigative journalist. While a graduate student at Cornell University in 1966, he published the book Inquest, an influential criticism of the Warren Commission probe into the John F. Kennedy assassination. Epstein wrote two other books about the Kennedy assassination, eventually collected in The Assassination Chronicles: Inquest, Counterplot, and Legend (1992). His books Legend (1978) and Deception (1989) drew on interviews with retired CIA Counterintelligence Chief James Jesus Angleton. Subsequently Epstein has reported on the business aspects of Hollywood entertainment.