ndment rigilits necessarily would have to be violated in order to initially install the device. See United States g Hufford, supra... 22. P U.S. I Epperson, 454 F.2d 769„ C.A.4 (Va.), February 07, 1972(No. 71.1481.71-1481) ...Defendant appealed. The Court of Appeals, Craven, Circuit Judge, held that exp