Witchtrap

A man named Devin Lauter inherits a mansion from his long deceased uncle, Avery Lauter. Avery, it seems was a powerful warlock and died brutally in the home. Naturally, he possesses the place and kills erstwhile inhabitants. His nephew, Devin, hires a crack team of paranormal experts and some detectives, for security, to figure the place out. Of course, once they arrive things go horribly wrong...