Dallas passed the charter amendment known as Proposition R, which decriminalizes possession of less than four ounces of marijuana. It also prevents police from using the odor of marijuana to establish probable cause to search people without a warrant.

Dallas, like other Texas cities, got sued when they tried to decriminalize weed. Here's how Harris County has chipped away at the problem and avoided a lawsuit.

Texas attorney general Ken Paxton sued the city of Dallas on Thursday in an attempt to prevent the city from decriminalizing small amounts of marijuana after voters approved a ballot measure to do so.