Reasonable Mistakes and Reasonable Suspicion

Published for NC Criminal Law on April 21, 2010.

The court of appeals issued several opinions yesterday. Among the most interesting is State v. Hopper, a case that addresses when an officer's mistaken beliefs can support an investigative stop. The defendant in Hopper was driving on Piedmont Circle, a loop road in an apartment complex in Winston-Salem. It was raining heavily. An officer noticed that the defendant’s tail lights were not on, and concluded that the defendant was violating G.S. 20-129, which requires a vehicle’s tail lights to be on whenever the vehicle is on a public street and its windshield wipers are in use. The officer therefore stopped the defendant. During the stop, the officer noticed drugs and a gun, which led to criminal charges against the defendant. The defendant moved to suppress, arguing that Piedmont Circle was not a public street and that the officer therefore lacked reasonable suspicion for the stop. The trial court denied the motion to suppress, the defendant pled guilty and appealed, and the court of appeals affirmed. The appellate court assumed arguendo that Piedmont Circle was not a public street, but held that even if it wasn't, the officer reasonably believed that it was, and that a reasonable mistake of fact can provide the reasonable suspicion necessary for a traffic stop. The principle that a reasonable mistake of fact can provide reasonable suspicion appears to be uncontroversial. But a reasonable mistake of law cannot provide reasonable suspicion in North Carolina. State v. McLamb, 186 N.C. App. 124 (2007). (How to handle officers' reasonable [...]