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‘wn’ % . - 4 Agent £E.¥. Thomas of this office, regarding & confidential of- oF +. dew hs at ~ wan at” 4 ote ye Ce ont ort oF 203 Post ortice Baildings mas & Bt «Peal, Minneso toe ne a eel Postmaster, ee BE Breinord, Minnesota. ey oo On Deer Sirs = oo Cy Obstruction of Justice (Endeavor to ola" "> @eliver Federal Prisoner FRANK NASH) « rr Bet St.Paul File No 082-858 “ * confiraing » arrengenents wate y with 3 you by Special ficial investigation, it is desired that for a period of 50 days — all firet clases mail from points outside of Brainerd, Minneso ‘a. ediressed to JOHN GIBSON, VIVIAN MATHIS, or other persons residing at the home of JOH! GIBSON, be covered. It is desired that tissue paper tracings be made of the eddresa, postmirk, end any other writing, or printing, appearing upon the envelope, forvarding such trecings Tmo diately as made to this office. It is of the utmost | freportance to the United States Bureau of Investigation to lears a OGn:TG _ -speotal A agent in Charge. : oo Thanking you for your ‘eooperetion ‘ts tis, end other - ee matters, 1 am s oe a, _ "with whom the ocoupents of the above address are corresponding. : vente