 In 2016 he published "The Master Ghost Hunter", a full-length biography of the once-famous ghost hunter Elliott O'Donnell.It is as a true crime writer that Whittington-Egan particularly excelled.His earliest book in this genre was "The Ordeal of Philip Yale Drew", about the 1929 unsolved murder of the Reading tobacconist Alfred Oliver, and the question of the guilt of the main suspect, the American actor Philip Yale Drew.