Police in Moenchengladbach have arrested infamous Salafist Sven Lau on suspicion of supporting a terrorist group. [...] In a statement, the prosecutors said that Lau, 35, had been arrested on suspicion of acting on behalf of "Jaish al-mujahirin wa-l-ansar" (army of emigrants and helpers, or Jamwa). That could make him culpable of supporting a foreign terrorist organization, a serious crime that carries a maximum sentence of up to 10 years in jail. ...