[Paleo Conservative]

Acid thrown in someone's face is pretty unique," said firefighter Darren Marino. "You gotta be pretty twisted. It was pretty nasty."

Actually I thought it was rather common in some cultures.

[AnAmericanMother]

Not uncommon at all in the underworld cultures in France and Britain in Victorian times.

A vitriol-throwing figures largely in a Sherlock Holmes story ("The Illustrious Client"). The perp is "that hell-cat, Kitty Winter," a member of the demi-monde.