A total of 13 Munich police officers are under investigation over work and legal violations, which include the sharing of objectionable content via social networks, the police headquarters said in a statement on Friday.
The statement cited five officers who have been suspended from work since February, and eight others who were transferred to different duties in early March.
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The officers, who were part of the "Support Commando" group, are accused of sharing two YouTube videos with “possible anti-Semitic” content as well as an image of swastika graffiti in a Munich park with their former and current colleagues in chat apps.
The evidence was discovered on one of the officers’ mobile phone that was being examined as part of a separate investigation into a possible sexual offence.
Investigators also found a video which documents the use of electroshock Tasers on other officers during a training session, something that violates police rules.
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Possible charges against the officer are currently considered by the Munich public prosecutor's office and the Bavarian State Office for Criminal Investigation.
The developments come after a study by the Technical University of Berlin (TU Berlin) revealed in July 2018 that Jews and Israelis are now most frequently threatened through the Internet, where anti-Semitic attacks and insults are becoming “more hateful and more radical”.
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Earlier, the heads of 40 Jewish organisations based in Germany published an open letter in which they insisted that anti-Semitism should be recognised as “an attack on the inviolability of human dignity and on the foundations of the entire liberal democratic community”.