Huma Mian has been identified as an American citizen who graduated from Colorado University and is the wife of Faisal Shahzad. She is now in Pakistan, where authorities have detained her father.
Pakistan police chief says the five Americans arrested were trying to link up with a jihadi group, possibly Al Qaeda, for a "big attack."
Two were killed and 20 injured in the attacks at an Islamic university. They follow a rise in assaults that may be in retaliation for the Army's offensive in the Taliban stronghold of South Waziristan.
The curriculum, critics charge, promotes revisionist views and intolerance. Others say they don't see such imbalance.
The Pentagon wants to send more F-16 fighters. Critics say the jets could threaten India.