berlin german government approve sale three thyssenkrupp submarine israel provide financial support purchase government spokesman steffen seibert tell regular news conference monday estimate billion deal police investigation israel suspect corruption several public officials private citizens question case 2016 deal public scrutiny since emerge prime minister benjamin netanyahu personal lawyer also represent thyssenkrup marine system local agent raise concern conflict interest attorney deny wrongdoing say never discuss deal netanyahu israel justice ministry say february netanyahu suspect address israel parliament netanyahu tell opposition lawmakers new deal germany help vindicate sad stake hop recycle submarine story also understand story sink say seibert say germany would make contribution 540 million euros help finance israel purchase seibert say inter-governmental memorandum understand approve deal would sign late monday would like thank german chancellor angela merkel government memorandum touch matter important israel national security netanyahu say speech germany approve sale three thyssenkrupp submarine israel