By Rachel Hagan A former member of a militant group who is accused of participating in a string of robberies has been arrested after more than 30 years on the run, German authorities said Tuesday. Daniela Klette, 65, was arrested at an apartment in Berlin on Monday afternoon. Investigators said they were led to her by a tip they received in November from the public, but wouldn’t give details. Klette, who had a foreign passport under a different name, put up no resistance, the head of Lower Saxony state’s criminal police office, Friedo de Vries, told reporters. She was identified with the help …