There is a longer cut that runs about one hour and 5 minutes long.
The killer, Billy's face can be seen during one scene in the movie very briefly and it's during the scene when officer hutchinson is attacked by Billy.
Cohen Burton played the killer "Billy Lenz" in two shots in the film, the scene is when Michael Cunningham checks on Carter and gets a black plastic bag wrapped around his head and is stabbed in the face with a butchers knife, the other is when Deputy Arex is shot by Billy.
The kitchen knife prop used in this film was broken during the scene where Billy drops it after slashing a cop's throat, so they improvised with a hatchet during mr thornton's death. Mr Thornton was originally supposed to be stabbed in the throat with the butcher knife.
This movie and Vergo (2021) where filmed an exact month apart.