It Happened at Nightmare Inn (1973)
Two sisters running a small hotel in Spain kill female tourists whose morals do not meet their strict religious standards
The Ugly Ones (1966)
An escapee Mexican outlaw returns to his hometown, where he is sheltered from a tenacious bounty killer by the townspeople who discover too late that he is a changed man
Bad Mans River (1971)
Robber Roy King loses his wife, Alicia, to revolutionary Montero Despite their rivalry they collaborate in an attempt to rob the Mexican government of one million dollars
The Fourth Victim (1971)
A wealthy Englishman finds his third wife dead After the police discover that his first two wives had also died suddenly, an investigation is launched Meanwhile, a new neighbor moves in and becomes very interested in Arthur