Despite the CIA sending Roosevelt a telegram to flee Iran immediately , he began work on the second coup .
However , the first attempt at the coup failed , likely because Mossadegh had learned of the impending overthrow .
Despite the CIA sending Roosevelt a telegram to flee Iran immediately , Mossadegh began work on the second coup .
However , the first attempt at the coup failed , likely because Mossadegh had learned of the impending overthrow .