Schizoid (film)

Schizoid also known as Murder by Mail is a 1980 horror film directed and written by David Paulsen.

The film was given a limited release theatrically by the Cannon Group beginning in September 1980. It was subsequently released on VHS by MCAUniversal Home Video and was also released on betamax by Rank Video in the UK. Scream Factory officially released the film on Bluray in late August 2013 paired with Hospital Massacre.

Source: Wikipedia