Traffic police who mark car tires to track how long you've been parked has been ruled unconstitutional by an appeals court in Ohio, which classifies the action as an "unreasonable search."
A year in prison for removing chalk?
Putting Chalk On Tires Deemed Unconstitutional
Local police anticipate few changes after federal tire-chalking
Chalking tires for parking tickets is unconstitutional, court rules
Historic' ruling after judge deems chalking tires unconstitutional
Chalking tires for tickets still legal in Alabama, despite court
Waynesburg to continue chalking tires - Observer-Reporter
Tire chalking ruling: Jackson police to change parking enforcement
City chucks chalk, not tickets News, Sports, Jobs - The Alpena News