frankfurt prosecutors pressure swiss man accuse spy german tax authority name inside source face five years jail 54-year-old man identify daniel m. appear frankfurt court wednesday charge spy german state north rhine-westphalia nrw tax authority staff nearly four years february 2015. prosecutors say try find german state obtain cds contain detail bank account hold secretly switzerland germans hop avoid tax also say place source nrw tax authority lawyers deny case trigger outrage germany swiss authorities defend efforts combat theft business secrets trial federal prosecutor lienhard weiss say would agree suspend sentence 18 months two years plus fine 50,000 euros 58,735 cash exchange information confession defendant make plausible statements identity informant plea ... would imaginable say otherwise daniel m. may face prison sentence five years find guilty espionage behalf foreign state make plea respond charge german state nrw years irritate switzerland buy data part crackdown germans stash cash secret account avoid pay tax state spend 17.9 million euros since 2010 data help recover nearly billion euros tax revenue swiss government acknowledge police ask intelligence agency ndb 2011 help investigation relate steal data germany decline give detail germany federal prosecutor office say daniel m. past work police officer switzerland provide security swiss bank ubs gather personal information state tax investigators swiss authorities could prosecute officials involve buy tax data cds office say payments total 100,000 euros make connection efforts obtain information go daniel m. pass unidentified third party need concrete information ... payments make preside judge josef bill say wednesday robert kain one daniel m. lawyers say defendant would make statement trial continue oct. 26 0.8513 euros reveal source swiss suspect tell german spy trial