nt and its warrantless use by agents was therefore not invalid. u.s.cA.Const. Amend. 4 [3) 13514 Double Jeopardy 135141V Effect of... 16. P U.S. I Dubrofsky, 581 F.2d 208, C.A.9 (Cal.), August 09, 1978(No. 77-3738.77-3738) ...device emanating beeping signals allowing tracing of package and emanating diff