Meatcleaver Massacre

When a professor specializing in ancient rites and rituals is attacked and his family killed by four of his students, he summons an evil spirit to hunt down the attackers and avenge his family.

Meatcleaver Massacre is a 1977 horror movie, starring Christopher Lee, J. Arthur Craig, James Habif. It holds an IMDb rating of 3.7/10 from 1,004 votes and runs 1h 25m.