Stolen Tears - S7.E18

A man who was a prisoner in the Nazi concentration camps is run down and killed after he recognizes the man who was his tormentor in the camp. He manages to get a message sent to his friend, Heime, before his death and he tries to convince Quincy that it was murder, not an accident. At the same time Heime, who runs a Holocaust museum, has to deal with a rich, powerful man who spends his time proclaiming that the Holocaust never happened.