Bangladesh, Jan. 30 -- German prosecutors latest raid on Deutsche Bank offices has once again placed Germanys largest lender under an uncomfortable spotlight, reviving long-running questions about the banks controls, its handling of high-risk clients, and its compliance culture after years of costly scandals.

On January 29, German authorities confirmed that prosecutors had searched Deutsche Bank offices in Frankfurt and Berlin as part of a criminal investigation into suspected money laundering and related offenses. The searches were ordered by the Main Public Prosecutors Office for Economic Crime in Frankfurt am Main and carried out the previous day.

Dominik Mies, a prosecutor and spokesperson for the Frankfurt office, said the investig...