Iran suspects that the biodata of scientists which it provided to IAEA was transmitted to Mossad by them.
More than 14 nuclear scientists were killed in the preliminary phase of Operation Rising Lion.
Iran's suspicion solidified after Russian intel. They expelled IAEA from their country and stopped all cooperation with them immediately.
Iranian regime wanted the Nuclear watchdog’s commitment of security and condemnation of Israeli strikes on its peaceful nuclear sites.
Donald Trump during the NATO summit revealed that Mossad agents visited destroyed nuclear sites to verify the intensity of damage.
Everybody knows that after the attack, only IAEA was permitted to visit nuclear sites. Does he want to signal that Mossad visited wearing an IAEA mask?