It was kind of like the same thing that happens when you, like when you're getting stopped for a traffic ticket in L.A., and the cop drops a bag of marijuana in the back of your car, and then charges you for possession of marijuana.
打个比方来说， 你在洛杉矶碰上了交通堵塞， 警察在你汽车的后备箱放了一麻袋毒品， 并指控你非法拥有毒品。