Crimes/Impossible

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Not sure why I thought this was a good category.

Spring-heeled Jack

The impossible leaping skill of this urban legend (ripped from the penny dreadfuls of the Victorian age) had such a technological flare. Ah, the idea that an inventor-cobbler with a gas-powered dental retainer could inspire demonic fear. His attacks lasted a century! (Also at Wikipedia.)

altereddimensions.net

Early Impossible Crime Fiction

You can probably skip this - but I find it interesting. Turn of the (19th) century mysteries competed toward more and more improbable murders. Some of the endings are still baffling.

mikegrost.com