The Demon (1979 film)

The Demon also known as Midnight Caller is a 1981 slasher film starring Cameron Mitchell and Jennifer Holmes and directed by Percival Rubens.

Two months later, Emilys parents frustrated by the failure of law enforcement officials to either locate Emily, or identify her attacker enlist in the help of Bill Carson Cameron Mitchell, a retired Colonel in the U.S. Marines who now works as a freelance psychic detective. Joan Parker Moira Winslow, the distraught mother, needs to know whether Emily is alive or dead but the angry Mr. Parker Peter J. Elliot is preoccupied with bloody revenge, and aggressively implores Col. Carson to find the man responsible. Carson gravely intones that the entity they seek is an aberration of the species. Something hallucinating evil and warns the Parkers that it would be best if they didnt find him.Meanwhile for reasons left unclear the maniac decides to fixate on a young, American preschool teacher named Mary Jones Jennifer Holmes, who shares a twostory bungalow in Johannesburgs Saxonwold neighborhood with her 18yearold Afrikaner cousin, Jo Zoli Marki. Mary first sees the elusive maniac lurking outside her classroom disappearing and reappearing in the fog and later, spying on her at the mall. ........

Source: Wikipedia