For this misdemeanor, committed in Trooper Blazejak's presence, Appellant Mullin was subject to arrest and as an incident to such arrest, Trooper Blazejak would have been entitled to have made a search of the vehicle which she was operating. Jenkins v. State, supra; Braxton v. State, 234 Md. 1, 197 A.2d 841 (1964); Knotts v. State, supra; Shipley v. State, 235 Md. 408, 201 A.2d 773 (1964); Edwards v. Warden, 238 Md. 646, 647, 210 A.2d 526 (1965), cert. denied, 382 U.S. 896; and Crumb v. State, 1 Md. App. 98, 107, 227 A.2d 639 (1967). A "search" as within the ambit of the protection of the Fourth Amendment, implies some exploratory investigation.