Criminal investigations are often confused by irrelevant clues and evidence.

We frequently see this effect in very serious crimes, such as homicides.

We can also see how this effect operates in historical examples, such as the death of Adolf Hitler.

The Weird Homicide Fairy Is the protagonist of a running joke shared among some friends in the criminal investigation community. She personifies the fact that in any criminal investigation, you always encounter loose ends and intrusive bits of evidence which actually have nothing to do with the crime in question. Subjectively, it often appears that the sheer number of irrelevant clues is greatest in the most serious cases, such as homicide.

The Weird Homicide Fairy, the imaginary personification of this phenomenon, is conceptualized in traditional magical fairy garb; but instead of a magic wand, she carries a bazooka, with which she blasts irrelevant evidence in all directions at any serious crime scene. Part of the joke involves coming up with the wildest things you can think of, to be fired from her magic bazooka: ancient Roman weapons, bizarre evidence of vanished celebrities, dead aardvarks, slabs of meatloaf—the whole concept is pretty silly, of course, but this kind of running joke provides some comic relief from the harsh realities of criminal investigation.

But if it's a joke, why bring it up at all?

The phenomenon characterized by the Weird Homicide Fairy is entirely real; bizarre and irrelevant clues often derail criminal investigations (e.g., Sharps, 2024). For example, in a homicide case on which I worked many years ago, the presence at the crime........

© Psychology Today