The words "Coroner's Inquest" arrived in his mind, and disturbed it greatly. Those damned doctors would be peeking at that old corpse, exercising their ingenuity to explain that a thump on the skull had jerked life out of it. An extra-normal thump, too; damme, he had seen her hurtle through the air like a wet sack.
Source: wiktionary
It seems that ghosts and legendary encounters in general thrive under the protection of law because their extranormal statements and implications require proof and provoke the less convincing counterproof.
Source: wiktionary
Alex Danvers: The seismic activity [isn't] coming from within the planet, it's coming from without.
Supergirl: That's...
Brainiac: Extranormal?
Supergirl: I was gonna say impossible, but OK.
Source: wiktionary