Without Apparent Motive

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Without Apparent Motive
Sans mobile apparent
Directed by	Philippe Labro
Screenplay by	Philippe Labro Jacques Lanzmann Vincenzo Labella
Based on	Ten Plus One by Ed McBain
Produced by	Jacques-Éric Strauss
Starring	Jean-Louis Trintignant Carla Gravina Jean-Pierre Marielle Dominique Sanda
Cinematography	Jean Penzer
Music by	Ennio Morricone
Production companies	Cinétel Euro International Film Président Films
Distributed by	Valoria Films
Release date	15 September 1971 (1971-09-15)
Running time	100 minutes
Countries	France Italy
Language	French

Without Apparent Motive (French: Sans mobile apparent) is a 1971 French thriller film directed by Philippe Labro and adapted from the 1963 novel Ten Plus One by Ed McBain. Set in Nice, it tells the story of a police detective faced with a series of unexplained killings of apparently unconnected people by a mystery sniper.