Description
As a LAPD homicide detective, you must find the serial killer loose on the streets. The killings seem randon and clues, some valuable and some not, must be collected with true to life police procedure.
Alternate Titles
- "חקירה משטרתית 4 (Police Investigation 4)" -- Israeli title
- "PQ4" -- Informal abbreviation
- "Police Quest 4" -- informal title
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Trivia
In addition to what I suspect is Tammy Dargan's cameo as the final victim, there seems to be yet another developer cameo in the game. Dumping the contents of memory while playing the last hours of the game reveals that the unfortunate "Mr Head", who can be found in Mitchell Thurman's refrigerator (and whose - headless - corpse is probably stacked in Mitchell's bathroom), is apparently played by someone called Dave. Since "Mr Head" is unbilled, this is most likely a macabre cameo by the game's programmer Dave Artis.
It seems that the matchbox - not easy to find and not having any practical use in the game - may have been a trigger for some Easter Eggs, judging by certain messages that the game stores in the memory. For instance, there is a clear suggestion present in the memory to try and use the matchbox to light Mitchell Thurman's cellar *after* it's already lit. Doing so in the game displays an obscene message.
Some other Easter Eggs: the "Red Dogs" entry in the gang database is apparently a reference to Sierra developers ("hanging out behind fast food restaurants, hiding somewhere in the Sierra Nevada mountains...") or perhaps their friends (the "gang leader" is named "Billy D." - and Billy D. is credited as playing the character of Dennis Walker in the game)
Try looking up the registration plate "1ADAM12" in the DMV database on the Homicide Squad server - this is probably a reference to the old TV series. (The server itself is named "Sonny" - probably a reference to Sonny Bonds)
Though the CD version of the game is vastly expanded, it's also censored in one place - in the floppy version, Dennis Walker - the Nazi ruffian - is listening to music with Hitler's speech clearly audible in the background. This sample is present in the game's resource file RESOURCE.SFX. In the CD version, only the music is audible, and the file RESOURCE.SFX contains no trace of Hitler's speech anymore.
Both versions of PQ4 have bugs which allow the player to gain more points than he's supposed to. In the floppy version, Carey can call Varaz multiple times and score points. In the CD version, this bug is removed, but another one is present - in some situations, the "flamethrower" can be constructed an infinite number of times, and every time the player scores points.
