Salvatore Antonio `Sal` Naturile, also known as Donald Matterson (c. 1953/1954– August 23, 1972) was an American bank robber who, along with John Wojtowicz, inspired the 1975 film Dog Day Afternoon. In the film he is portrayed by actor John Cazale. ==Early life== Little is known about Naturile`s background except for criminal acts he committe......