Your customs experiences re-entering the US from Canada?

The Supreme Court has clearly and repeatedly confirmed that the border search exception applies within 100 miles of the border of the United States as seen in cases such as United States v. Martinez-Fuerte (Simple Link) (Compete link from the Supreme Court) where it was held that the Border Patrol's routine stopping of a vehicle at a permanent checkpoint located on a major highway away from the Mexican border for brief questioning of the vehicle's occupants is consistent with the Fourth Amendment.