I’m relatively sure this is some sort of regular gag. You often hear/see things where random dead hookers pop out of everywhere as people search through places (I believe.)
Wikipedia seems to be devoid of any clue to this phenomenon, though a search for “Dead Hookers” brought up some sort of page for “Dead prostitutes in Popular Culture” saying that there is no page for “Dead prostitutes in Popular Culture.”
No professional opinion here. Prostitutes have long been favored victims of serial killers, partly, I’ll WAG, because they’re often relatively rootless and unstable, so they possibly won’t be missed right away, their low societal status and widely perceived immorality makes them easy to dehumanize in the serial killer’s mind and they will get into a car with a stranger.
Somebody somewhere noticed this, and a cliche was born.
That may be true, but I’m relatively sure that it wasn’t a common joke until fairly recently. Certainly when I look at something like this, I don’t get the impression that the artist was thinking “Jack the Ripper” first and foremost.
I heard a reference about 15 or so years ago. A local radio morning show pair said that their employer sent them to Las Vegas. Instead of sending them to a nice hotel they went to ‘the dead hooker hotel’.
I can think of two recent movies where dead hookers play a part: Four Rooms (the Robert Rodriguez section of the film, where two children find the woman’s body under a bed in a hotel room) and Very Bad Things (a horribly unfunny “comedy” where the accidental killing of a Vegas hooker leads some friends down a spiral of lies and murder).
Or Dirty Work!
“Is that a dead hooker in the trunk of that car? And another one over there? Jesus, this is most dead hookers I’ve seen in my entire life. . . don’t gimme’ that, pal. I know a dead hooker when I see one!”
Dunno if he was a hooker, but a dead body popped up in the belongings of Dorian Corey, one of the featured subjects in the documentary “Paris is Burning,” after Corey’s death. The body had been there for at least a couple of decades and had mummified.