Death Smiles At Murder/ Seven Deaths In The Cat's Eyes

In Death Smiles at Murder (1973), a man discovers an ancient Incan formula for raising the dead, and uses it for a series of revenge murders. In Seven Deaths in the Cat's Eyes (1973), horribly murdered bodies keep turning up in a small Scottish village. Suspicion falls upon the residents of a nearby castle that is haunted by a curse involving a killer cat.