Did the district court error by denying the suppression motion?

Question Presented 1. Did the district court error by denying the suppression motion where a police officer violated a rule announced in Terry v. Ohio, under the Fourth Amendment of the United States Constitution, by an intrusion which lead the officer reasonably to conclude in light of his experience that criminal activity may be afoot without pointing to specific and articulable facts which, taken together with rational inferences from those facts, to warrant that intrusion? In other words, did the officer have reasonable articulable suspicion of unlawful activity sufficient to justify the traffic stop? i