Actor Crispin Glover auditioned for the part of Bo and tested with Maxwell Caulfield. According to the audio commentary for the film, Director Penelope Spheeris said Glover's performance was "too psychotic".

Nicolas Cage turned down the role of Roy Alston.

According to director Penelope Spheeris DVD commentary, movie had to be cut and submitted to the MPAA 10 times to get R rating. Scenes that were cut or changed include; Scene where gas attendant is beat up was shortened to lessen the intensity and sound effects were toned down. Murder of gay man in his apartment was cut down (mostly sound effects were heavily toned down). Scene where Roy violently shakes the lady and kills her was heavily cut down, various shots were removed to lessen the intensity.

Martin Sheen attended the premiere and walked out several murders in. This struck many as odd seeing as Sheen had made his name on the similarly themed Badlands (1973). Sheen Senior had previously tried to talk Charlie out of making the film.

The film didn't enjoy much of a cinematic release due to the fact that New World went bankrupt round about the same time.

Maxwell Caulfield and Christopher McDonald previously both worked together in a rock musical "Grease 2"(1982),a sequel,starring Michelle Pfeiffer.Back then Maxwell Caulfield played a good guy,unlike in this film.

An early work by writers Glen Morgan and James Wong who would go on to become one of the chief architects of The X-Files (1993). The two were about 17 when they sold their screenplay.

This represents the only sex scene that Penelope Spheeris has ever shot.

Penelope Spheeris was motivated to make the film after reading about a serial killer who complained about how long it took him to kill someone.

Maxwell Caulfield was originally repelled by the screenplay until his wife, Juliet Mills, urged him to take another look at it.

Maxwell Caulfield channeled a lot of latent anger and frustration in his role as he had been unable to land another job in the two years since the failure of Grease 2 (1982).

Playing high school students, Charlie Sheen was indeed 18 at the time of filming, while Maxwell Caulfield was five years older.

Maxwell Caulfield later played a prominent role on Dynasty spin-off - The Colbys.

The film's working title was "Killer's Holiday".

Shot during the summer of 1984 when Los Angeles was hosting the Olympic Games. Most of the cast and crew remember that it was blisteringly hot that summer.