Night of the Bloody Apes
A mad scientist who transplants a gorilla's heart into his dying son, saving his life but transforming him into a monstrous, ape-like creature who embarks on a rape and murder spree before being brought to justice by a Luchadora (female wrestler).
Starring José Elías Moreno, Carlos López Moctezuma, Armando Silvestre, Norma Lazareno, Agustín Martínez Solares, Gerardo Zepeda, Noelia Noel, Gina Morett, Nathanael León 'Frankenstein'
Watch "Night of the Bloody Apes" on Amazon Prime released in 1969. It's a science-fiction and horror movie, and has a rating of 4.9 out of 10 from Imdb which is fairly low for this kind of movie.