Continuity mistake: When Abel rams the sheriff's car, he is driving a 1966 Chevrolet. He leaves and ends up at the veterinary clinic, where the doctor injects him with a poison. During the following chase, Abel's car becomes a 1967 Chevrolet, then reverts back to the '66 Chevy.
They Only Kill Their Masters (1972)
1 mistake
Directed by: James Goldstone
Starring: James Garner, Hal Holbrook, Katharine Ross, Harry Guardino
Abel Marsh: It's true what they say about Dobermans. I guess that's why they say it.