With a nationwide crackdown the Osnabrueck prosecutor has taken on Tuesday against several companies who will have contacts with the Mafia.  Being investigated for suspicion of money laundering.  About 300 emergency personnel have searched more than 20 properties in Lower Saxony, Hamburg, Schleswig-Holstein and Bremen as well as in Austria. . Suspected, among other business partners of the wind turbine manufacturer  Enercon and HSH Nordbank .

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and here: http://uk.reuters.com/article/2013/11/19/hsh-investigation-idUKL5N0J43K220131119

Also this article:  http://www.thestar.com.my/News/World/2013/11/20/German-homes-offices-searched-in-mafia-wind-farm-probe.aspx

Read this article as well. Use bing to translate.  http://www.focus.de/regional/osnabrueck/kriminalitaet-durchsuchungen-in-sechs-bundeslaendern-wegen-geldwaesche-verdachts_aid_1162912.html