The Suspicious Death of a Minor

Italian giallo co-written and directed by Sergio Martino.

When a young prostitute is found murdered, undercover detective Paolo Germi (Claudio Cassinelli) is assigned to the case and begins hunting down the Milanese crime gang responsible.

However, as the investigation continues a mysterious hitman begins taking out the witnesses before they have a chance to testify.

The cast also includes Mel Ferrer, Gianfranco Barra and Patrizia Castaldi.