 Guerra was able to get his first screenwriting credit after he and Petri went to the Abruzzi mountains to find out about wolf-hunting; "Though they discovered that wolf hunters no longer existed, De Santis went ahead anyway with the film, "Uomini e Lupi" (Men and Wolves, 1957)".Although a follower of Cesare Zavattini, who essentially defined the style and morals of Italian neorealism, Guerra deviated from his mentor