Killer, adiós
Jess Vrain returns to town at the request of a former friend to find that everything has changed. Not only has his ex-girlfriend become a refined lady but someone is killing people with the only clue being a rare Winchester rifle.
Starring Armando Calvo, Eduardo Fajardo, Rosalba Neri, Miguel del Castillo, Nello Pazzafini, José Jaspe, Luis Induni, Marisa Solinas, Peter Lee Lawrence, Víctor Israel
Watch "Killer, adiós" on FlixOlè released in 1968. It's a action & adventure and romance movie, and has a rating of 5.5 out of 10 from Imdb which is fairly okay for this kind of movie.