Some stills from the four black and white Jerry Cotton movies from the 1960s. They are based on the very popular series of German crime novels which have been published since the 1950s. Learn more at Wikipedia.
The movies are:
Mordnacht in Manhattan (1965)
Schüsse aus dem Geigengasten (1965)
Die Rechnung - eiskalt serviert (1966)
Um Null Uhr schnappt die Falle zu (1966)
After that another four movies were produced in color.