sentences: "Nacht und Nebel" ("Night and Fog"), a directive issued by Hitler on 7 December 1941, resulted in the disappearance, torture and death of political activists throughout German-occupied Europe; the courts had sentenced 1,793 people to death by April 1944, according to Jack Fischel.Because they refused to pledge allegiance to the Nazi party or serve in the military, Jehovah's Witnesses were sent to concentration camps, where they were identified by purple triangles and given the option of renouncing their faith and submitting to the state's authority.