Officer Stevenson was a police officer for New York City. He appears in 2016 movie.
Officer Stevenson arrived at the scene when Martin Heiss was thrown out the window by Mayhem. Upfront, it was clear that he was having any of the ghost did it, as he viewed it as non-sense. Then Agents Hawkins and Rorke came to the scene and took over custody of the four Ghostbusters.