Characters
You're like Santa Claus with that list, Bud, except everyone on it's been naughty.
— Dick · L.A. Confidential

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker compares the listener to Santa Claus because of the list they keep, then twists the comparison: everyone on it has been naughty. It is a dry, teasing jab that turns a childhood image of gifts into a roll of wrongdoers.
Context reviewed