The first of two cinematic collaborations between Sam Raimi and the Coen brothers ("The Hudsucker Proxy," on which Raimi was Second Unit Director, is the other), this hilarious movie could have, SHOULD have, been a lot funnier. The story behind why it ISN'T is just as wacky as the flick itself:
After the unexpected success of "Evil Dead" in 1982-'83, Embassy Pictures, which had released "Escape From New York," among others, contacted the young Sam Raimi about possibly directing a comedy written by two up-and-comers named Joel and Ethan Coen. Raimi read the riotous script and was eager to put it on film, keeping in close contact with the Coens so he could capture the zany spirit of the script intact. Operating on an extremely tight budget, and with constant interference from the studio, "The XYZ Murders" (the film's original title) was finished sometime in 1984 -- and promptly shelved. Never liking or understanding the humor of the movie, the executives at Embassy (being pressured to find a hit because the studio was floundering) told Raimi, "No, this is another one of your CULT movies, we don't WANT that." (These are not, by the way, my words; this is all from an interview in "Fangoria" Sam Raimi did in 1985 or '86. **EDIT 2018: the interview is in issue #64, 1987, page 33**) So, the studio, trying to keep afloat, re-edited the final cut of the movie, releasing it as "Crimewave." It did not, of course, work, as Embassy Pictures went bankrupt that same year, but not because of this film -- Embassy was finished long before they released this, actually.
If there was some way Raimi and the Coens could, I wish they would go back to this movie and either remake it or re-release it in its intended form. "Crimewave" was good, but you could tell it had been butchered (which gave it its uneven tone). In the "Fangoria" interview, Raimi confessed he regretted the way "The XYZ Murders" turned out -- so why not re-do it now that he can probably do anything he wants (thanks to the "Spider-Man" series)?
What a shame that a struggling movie studio took a great, unique, funny movie and turned it into a curiosity. I'm sure, as we all know, THAT never happens anymore.