"They pointed to an upsurge in antigovernment guerrilla activity inside Iran, including a bomb in Zahedan, the economic center of the province of Baluchistan, that killed 11 soldiers in the elite Islamic Revolutionary Guard Corps on February 14; the mysterious death of the Iranian scientist Ardashir Hosseinpour, who worked on uranium enrichment at the Isfahan nuclear facility; and the defection of a high-ranking Iranian general named Ali Asgari, a former deputy minister of defense who was also the Revolutionary Guard officer responsible for training and supplying Hezbollah during its war against the Israelis in southern Lebanon in the 1980s."