The Astral Factor
A convicted strangler, studying the paranormal in his jail cell, learns to make himself invisible. As an invisible man, he escapes from prison to stalk and strangle the five women who testified against him at his trial. Starring: Robert Foxworth
Starring
Watch "The Astral Factor" on Pluto TV released in 1978. It's a science-fiction movie, and is currently available to watch for free.