Sources: NYC terror probe nabs 4th in Pakistan

Najibullah Zazi arrives at the federal building for questioning by the FBI in Denver on Thursday, Sept. 17, 2009. Zazi, identified by law enforcement as having a possible link to al-Qaida. (AP Photo/Ed Andrieski) (AP Photo/Ed Andrieski)

April 12, 2010 9:17:17 AM PDT
A fourth suspect in a disrupted plot to bomb New York City subways has been arrested in Pakistan, law enforcement officials said Monday.