Perfect Crime is a 1987 Off Broadway play in the murder mystery/thriller genre written by Warren Manzi. It tells the story of Margaret Thorne Brent, an accomplished Connecticut psychiatrist and potential cold-blooded killer who may have committed "the perfect crime." When her wealthy husband, W. Harrison Brent, turns up dead, she gets caught in the middle of a terrifying game of cat and mouse with her deranged patient, Lionel McAuley, and Inspector Ascher, the handsome but duplicitous investigator assigned to the case.

Perfect Crime is currently the longest-running play in New York City history Newswire: 'Perfect Crime' Longest Running Play in New York History Celebrates 8,000th Performance.