If you get a DUI in Minnesota you get what's called a "Whiskey" plate. It's black and white and and has a W as the first letter. Until 2003 you could be
Does My Spouse Need Whiskey Plates?
MN requires people that get a DWI to put “whiskey plates” on all their vehicles. Woman paired it with perfect bumper sticker. : r/funny
Whiskey plates': How the controversial license plates work and where you can see them | WFRV
Everything You Need to Know About Whiskey Plates in Minnesota