Tel Aviv, Israel -  Seventy years after the most daring attempt of Jewish Holocaust survivors to seek revenge against their former tormentors, the leader of the plot has only one simple regret — that to his knowledge he didn’t actually succeed in killing any Nazis.

Joseph Harmatz is one of the few remaining Jewish “Avengers” who carried out a mass poisoning of former SS men in an American prisoner-of-war camp in 1946 that sickened more than 2,200 Germans but ultimately caused no known deaths. A recently declassified U.S. military report obtained by The Associated Press has only added to the mystery of why the brazen operation did not kill Nazis, because it shows the amount of arsenic used should have been fatal to tens of thousands.

Still, the 91-year-old Harmatz says the message echoed into a rallying cry for the newborn state of Israel — that the days when attacks on Jews went unanswered were over.

“We didn’t want to come back (to pre-state Israel) without having done something, and that is why we were keen,” Harmatz said in a hoarse, whispery voice from his apartment in north Tel Aviv.... Read More: VIN