Why We Never Got Stephen King's Night Flier 2

The Night Flier closely resembles the source material on which it was based, with a few exceptions. In addition to adding a younger and naive female journalist — Katherine Blair, played by Julie Entwisle — to compete with Dees for leads on his serial killer investigation, the movie's ending sees a much more bleak outcome for its troubled protagonist. 

In the short story, the vampire known as Dwight Renfield reveals himself when Dees catches up to him at the sight of his latest murders. Dees is left shaken, but still alive, after the encounter. In the film version, Renfield tricks Dees into believing his victims have risen as undead creatures, and the hardened reporter is shot and killed by police when he is found dismembering the corpses at the crime scene. Blair, who sees the killer flying off in his airplane, realizes Dees is not the murderer but pins the crime on him anyway for her report, proving she's learned to be as unethical in her career as he was. After exchanging glances with a departing Renfield, she recites Dees' previous advice: "Never believe what you publish. Never publish what you believe."

This is why The Night Flier's director and co-writer Mark Pavia made her the protagonist of a proposed sequel, which he first wrote by himself.