Romeros Tunnel

Moustafa Rajai is an ex-pat Iranian living in Arizona, an engineer working at the Palo Verde Nuclear Generating Station (PVNGS) - the largest NGS in the United States; and he has a problem. He loves the United States, but his dear wife desperately needs something which he can only obtain from MOIS (the Iranian Ministry of Intelligence and Security).
Moustafa intends to offer them a quid pro quo, some harmless titbits of information concerning the nuclear power station if the Iranian government will grant his wife's sister and her children an exit visa from Iran.
But the harmless goes out of the deal when MOIS requires certain structural information concerning the retaining walls of Palo Verde....