The Laughing Policeman
The Laughing Policeman is a 1973 crime thriller based on the 1968 novel "Den Skrattande Polisen" ("The Laughing Policeman") written by Swedish crime novelist-duo "Sjöwall-Wahlöö". The duo also wrote the novel formed the basis for the 1976 movie "The Man on the Roof" (Mannen på taket). The film stars Walter Matthau and Bruce Dern as two SFPD inspectors who investigate a multiple homicide on a city bus, where one of the victims was an off duty police officer.
The following weapons were used in the film The Laughing Policeman:
Smith & Wesson M76
Henry Camerero (Albert Paulsen) appears to be armed with a Smith & Wesson M76 submachine gun that has the barrel shroud removed.Later in the movie the investigating detectives learn that a local Hells Angel member sold an M3A1 Grease Gun to a male subject. It stands to reason that the production was unable to obtain an M3 "Grease Gun" so the S&W Model 76 stood in for one. In some movie posters for the film, different SMG's are depicted as being used, including the MP40 and the Star Model Z45.
Smith & Wesson Model 15 Snub
A barricaded shooter uses an M16. SFPD SWAT officers are also armed with the rifle.
A SWAT sergeant is seen armed with the M1928A1 Thompson.
Ithaca 37 Shotgun
The SWAT officers also use Ithaca 37 riot-guns when dealing with the barricaded shooter.
Federal L-5 Gas Riot Gun - 37mm
An SFPD SWAT officer uses the Federal L-5 Gas Riot Gun - 37mm to launch tear gas canisters.