Of course one of those supposed anti-zionist rabbis was the agent in charge! In any case, everyone playing the "underground" game knows the rules. If the agent is caught, he knows he will surely die and cannot expect the help of Israel. On the other hand, it is not the first time the Mossad kills a scientist to protect the interests of Israel. So, this scientist surely knew that he was in death danger by joining the Iranian nuclear program. Wasn't his teaching enough to afford his lifestyle?
U.S. says working on initiative to de-escalate Syria fighting, with focus on Aleppo (Reuters)
from the article: U.S. website: Mossad killed Iranian nuclear physicist