SFT-S01E09: Death at 2 AM

Science Fiction Theatre is an American science-fiction anthology series syndicated and broadcast from 1955 to 1957. It was produced by Ivan Tors and Maurice Ziv. A total of 78 episodes was produced.
Typically, the stories related to the life or work of scientists, engineers, inventors, and explorers. The program concentrated on such concepts as space flight, robots, telepathy, flying saucers, time travel, and the intervention of extraterrestrials in human affairs.
Like the syndicated Out There and Tales of Tomorrow anthology series before it, Science Fiction Theatre was a predecessor to later science-fiction anthology shows such as The Twilight Zone and The Outer Limits.
Episode 9 of first season: Death at 2 AM
A scientist uses an experimental strength serum to murder a man who is blackmailing him.