Eye for an Eye
The Taste of the Savage (Aka Eye for an Eye) (original)
A vengeful widow hires a professional killer to train her son so that he can hunt down and kill the men who murdered her husband. The quest for revenge soon becomes an obsession.
Starring Isela Vega, Cameron Mitchell, Helena Rojo, Enrique Lucero, Jorge Luke, Rogelio Guerra, Mario Almada, Carlos East, Nicholas Georgiade, Arthur Hansel
Watch "Eye for an Eye" on Tubi TV released in 1971. It's a action & adventure and crime movie, and has a rating of 5.2 out of 10 from Imdb which is fairly okay for this kind of movie, and is currently available to watch for free.