Any competent alienist could have discovered in five minutes that he was a paranœic and could have predicted that his disease would sooner or later lead to violence, but to what end ?

He is one motherfucking mean dude.

[…] let us observe that the method of business at some of the second-rate houses is not always so straightforward. Many descend to the petty expedient of employing touters (hookers in, they are called), who frequent the railway stations and the coffee-rooms of inns, and hook in the unwary draper to their employers' dens. […] When the honest country draper meets with a hooker-in, when he is hooked by the button-hole on the railway platform, he had better beware.

I'm not even sure if it qualifies as a FlasFic but like most good flashfic it relies for its success on the readers existing background knowledge to place it within a larger framework.