Evil Laugh (1986)

Watch Evil Laugh: An old orphanage has just been rebuilt after it was mysteriously burned to the ground over a decade ago following accusations of child molestation and abuse by Martin, whose own father committed suicide out of shame. Needless to say he couldn't prove his innocence, suffered a psychotic breakdown which subsequently led to him systematically slaughter the other occupants, including the kids, particularly the accusers, before perishing in the blaze that followed. Now a group of med-students are brought in by a seemingly benevolent doctor turned pediatrician, Jerry who seeks to fix the place up as less an institution more of a foster home. One of the students is set on dwelling there at this...