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It's tough beat for San Francisco police lieutenant Jake Martin (Walter Matthau) when he has to investigate a city bus massacre in which a madman opened machine gunfire on eight people.
Movie rating: 6.3 / 10 (2749)
Directed by: Thomas Rickman - Stuart Rosenberg - Per Wahloo - Maj Sjowall
Writer credits: Per Wahlöö - Thomas Rickman - Maj Sjöwall
Cast: Walter Matthau - Bruce Dern - Louis Gossett Jr. - Albert Paulsen - Anthony Zerbe
AKA: An Investigation of Murder, An Investigation of a Murder