Continuity mistake: Renard gets his bottom wet from sitting down and tying his laces on his new shoes. But after he is hit by the car, his trousers are dry.
Revealing mistake: In scene just after Rod Serling's opening narration, you can quite see that scene is being played in reverse because smoke is coming downwards back into the man's cigarette.
Answer: #4: That he did personally murder at least 14 (Jews). The last word I couldn't quite hear because of the screams, but I hear an "-oz" sound at the end, so it's an educated guess. #5: That he did sign and put into effect specific orders calling for the gassing and cremating of one million human beings.
Bishop73