A German police investigation into a neo-Nazi killing spree was a "fiasco", a report by a parliamentary committee in one of Germany's states said on Thursday.

The National Socialist Underground (NSU) murdered 10 people, mostly ethnic Turks, from 2000 to 2007.

"The accumulation of wrong decisions, indecision and neglect of basic standards also justify the suspicion of intended sabotage and of knowingly foiling the apprehension of the fugitives," the report said.

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