At least 2,000 cases of illegal police violence are officially known in this country - the number of unreported cases is almost five times higher. As representatives of the state, police officers are allowed to use force to enforce necessary measures. But where does the line run? When do police officers become perpetrators? Journalist Thilo Mischke visits a German police school and accompanies police officers in their everyday work. An ex-cop tells him about peer pressure, bullying and scandals within their own ranks.