Deutsche Bank faces its most severe test yet in the wake of police raids on its Frankfurt offices last Thursday over suspicions of helping its clients in money laundering. The scene was dramatic: 170 officers descended on six Deutsche Bank buildings, including its headquarters, and seized documents and files, according to an NPR report . German authorities are investigating whether Deutsche Bank employees – specifically two individuals – helped set up offshore companies in tax havens for some 900 clients to launder about $354 million from criminal activities. The investigation is related to the Panama Papers expose of 2016 , Deutsche Bank said , adding that it has provided the relevant documents to the investigators. The Panama Papers refer to the legal records of a Panamanian law firm that revealed the financial holdings in tax havens of numerous influential people including a dozen national leaders.…