OFFICERS TIPPED OFFYANKTON, June 21.—OP)—W. S. Gordon, Minneapolis detective who obtained confessions from the three men njw serving life sentences for the robbery of the First National bank of Freern o, told the Press and Dakotan here on J 8 that officers had been tipped off t'v.t the robbery of the First National bunk of Yankton was “definitely set” for i at ^ morning, but it failed to materializeOfficers here have been watching a 7 ne gang, of which only one mem’ r, Alvin M. Kirschenmann, Yankton, now is free, abandoned their plans to rob fiu bank here after discovering officers w re on their trail.Sheriff Wm. J, Limpo trailed the men for several days on each of two occasions in the last two weeks, refraining f om taking them on orders from Gordon. Arrests here, the detective said, would hinterfered with later, more convict* plans.