silverman argued december decided march trial federal district petitioners convicted gambling offenses district columbia code admitted evidence objection testimony police officers describing incriminating conversations engaged petitioners alleged gambling establishment officers overheard means electronic listening device pushed party wall adjoining house touched heating ducts house occupied petitioners held testimony admitted evidence convictions must set aside pp although much officers heard testified consisted petitioners share telephone conversations said officers intercepted conversations divulged contents violation communications act pp record case eavesdropping accomplished means unauthorized physical penetration premises occupied petitioners violated rights fourth amendment goldman lee distinguished pp edward bennett williams argued cause petitioners briefs agnes neill john davis argued cause briefs solicitor general rankin assistant attorney general wilkey beatrice rosenberg bishop julia cooper justice stewart delivered opinion petitioners tried found guilty district district columbia upon three counts indictment charging gambling offenses district columbia code trial police officers permitted describe incriminating conversations engaged petitioners alleged gambling establishment conversations officers overheard means electronic listening device convictions affirmed appeals app granted certiorari consider contention officers testimony heard electronic instrument admitted evidence record shows spring district columbia police reason suspect premises street washington used headquarters gambling operation gained permission owner vacant adjoining row house use observation post vantage point period least three consecutive days april officers employed spike mike listen going within four walls house next door instrument question microphone spike foot long attached together amplifier power pack earphones officers inserted spike baseboard room vacant house crevice extending several inches party wall spike hit something solid acted good sounding board record clearly indicates spike made contact heating duct serving house occupied petitioners thus converting entire heating system conductor sound conversations taking place floors house audible officers earphones testimony regarding conversations admitted trial timely objection played substantial part petitioners convictions affirming convictions appeals held trial erred admitting officers testimony view officers use spike mike violated neither communications act cf nardone petitioners rights fourth amendment cf weeks reaching conclusions relied primarily upon decisions goldman lee judge washington dissented believing even petitioners fourth amendment rights abridged officers conduct transgressed standards due process guaranteed fifth amendment cf irvine california inapplicability communications act agree appeals section provides person authorized sender shall intercept communication divulge publish existence contents substance purport effect meaning intercepted communication person true much officers heard consisted petitioners share telephone conversations say officers intercepted conversations within meaning statute similar contentions rejected least twice irvine california said apparatus officers way connected telephone facilities interference communications system interception message heard microphone eavesdropper hidden hall bedroom closet might heard suppose illegal testify another person heard say merely saying telephone goldman said listening next room words petitioner talked telephone receiver interception wire communication within meaning act overhearing conversation one sitting room presenting petitioners fourth amendment claim counsel painted broad brush asked reconsider decisions goldman supra lee supra told rationale cases olmstead stemmed essential light recent projected developments science electronics favoured description device known parabolic microphone pick conversation three hundred yards away told still experimental technique whereby room flooded certain type sonic wave perfected make possible overhear everything said room without ever entering even going near informed instrument pick conversation open office window opposite side busy street facts present case however require us consider large questions argued need contemplate fourth amendment implications frightening paraphernalia vaunted marvels electronic age may visit upon human society circumstances make necessary previous decisions area fair reading record case shows eavesdropping accomplished means unauthorized physical penetration premises occupied petitioners judge washington pointed without contradiction appeals every inference little direct evidence pointed fact spike made contact heating duct police admittedly hoped spike touched heating duct duct became effect giant microphone running entire house occupied appellants app eavesdropping accomplished means physical intrusion beyond pale even decisions closely divided held eavesdropping accomplished electronic means amount invasion fourth amendment rights goldman supra held placing detectaphone office wall order listen conversations taking place office next door violate amendment lee supra federal agent acquainted petitioner entered petitioner laundry engaged incriminating conversation agent microphone concealed upon person another agent stationed outside radio receiving set tuned conversation petitioner subsequent trial related heard circumstances held constitute violation petitioner fourth amendment rights goldman lee took pains explicitly point eavesdropping accomplished means unauthorized physical encroachment within constitutionally protected area goldman fact prior physical entry petitioner office purpose installing different listening apparatus turned ineffective emphasized earlier physical trespass relevant assistance later use detectaphone adjoining office lee said trespass committed agent went petitioner place business consent implied invitation petitioner absence physical invasion petitioner premises also vital factor decision olmstead holding wiretapping violate fourth amendment noted insertions made without trespass upon property defendants made basement large office building taps house lines made streets near houses entry houses offices defendants relying upon circumstances reasoned intervening wires part defendant house office highways along stretched contrast officers overheard petitioners conversations usurping part petitioners house office heating system integral part premises occupied petitioners usurpation effected without knowledge without consent circumstances need pause consider whether technical trespass local property law relating party walls inherent fourth amendment rights inevitably measurable terms ancient niceties tort real property law see jones lee supra hester jeffers mcdonald fourth amendment personal rights secures long history core stands right man retreat home free unreasonable governmental intrusion entick carrington howell state trials boyd never held federal officer may without warrant without consent physically entrench man office home secretly observe listen relate man subsequent criminal trial seen heard distinction detectaphone employed goldman spike mike utilized seemed appeals fine one draw unwilling believe respective rights measured fractions inches decision turn upon technicality trespass upon party wall matter local law based upon reality actual intrusion constitutionally protected area said long ago bears repeating may obnoxious thing mildest least repulsive form illegitimate unconstitutional practices get first footing way namely silent approaches slight deviations legal modes procedure boyd find occasion goldman decline go beyond even fraction inch reversed footnotes see hearings subcommittee constitutional rights committee judiciary senate wiretapping eavesdropping bill rights hearings subcommittee committee judiciary house representatives wiretapping dash schwartz knowlton eavesdroppers rutgers university press pp see fowler koehler app william pitt eloquent description right often quoted late judge jerome frank made point contemporary language man still control small part environment house retreat thence outsiders secure knowledge get without disobeying constitution still sizable hunk liberty worth protecting encroachment sane decent civilized society must provide oasis shelter public scrutiny insulated enclosure enclave inviolate place man castle lee dissenting opinion justice douglas concurring trouble stare decisis field leads us matching cases irrelevant facts electronic device outside wall house permissible invasion privacy according goldman electronic device penetrates wall yet invasion privacy great one case concept unauthorized physical penetration premises present decision rests seems beside point wrong cases done intimacies home tapped recorded revealed depth penetration electronic device even degree remoteness inside house measure injury case search made warrant issued magistrate stated views lee adhere concern trivialities local law trespass opinion indicates neither command fourth amendment limited nice distinctions turning kind electronic equipment employed rather sole concern whether privacy home invaded since invaded since search warrant obtained required fourth amendment rule federal rules criminal procedure agree judgment conviction must set aside justice clark justice whittaker concurring view determination majority unauthorized physical penetration petitioners premises constituted sufficient trespass remove case coverage earlier decisions feel obliged join opinion