Cahill U.S. Marshal

Cahill U.S. Marshal is a 1973 American Western film in Technicolor starring John Wayne as a driven lawman in a black hat. The film was directed by Andrew V. McLaglen and filmed on location in Durango, Mexico.

The film was produced by John Waynes production company Batjac Productions and shot on location in Durango, Mexico.In a 1975 interview with writer Tony Macklin for Film Heritage, Wayne said the film had a good theme but wasnt a welldone picture because it needed better writing and a little more care in the making. ........

Source: Wikipedia