Desc: L'impronta della piccola mano: Directed by Enrique Santos. With Amedeo Ciaffi, Gemma De Ferrari, Angelo Gallina, Duilio Marrazzi. Two crooks employ a trained ape to carry out jewel robberies and the detective in charge of the case eventually traces the animal as the perpetrator of the thefts as it often leaves the imprint of a small hand at the scene of the crime.