> Ulf Willuhn, a spokesman for state prosecutors, said on Tuesday that his office had been alerted to Ms. von Storch’s statement by the Cologne police and was also looking into a statement of support for her, made by a leader of the party, Alice Weidel. As news of the investigation spread, private citizens filed dozens more complaints.

> Prosecutors must now decide whether there is sufficient evidence of criminal action to open a formal investigation that could lead to charges, Mr. Willuhn said. But before that step can be taken, Germany’s Parliament would have to lift immunity.

From the article I linked above.