The public prosecutor’s office in the southern German city of Munich is investigating suspected money laundering at the insolvent Signa Group owned by Austrian entrepreneur René Benko, a spokeswoman told dpa on Wednesday. The spokeswoman for the investigating authority did not name any specific suspects when asked by dpa, but she pointed out that there is no corporate criminal law in Germany: In other words, companies cannot be investigated, only individuals. “It goes without saying that the facts of the case will be examined comprehensively from a legal perspective, that is also with regard t…