NEW : Najibullah Zazi told authorities that while at the terrorist training camp , he `` had discussions with al Qaeda about targets including the New York City subway system . '' Mohammed Wali Zazi is sentenced to 4.5 years in prison . The U.S. government has accused him of being a key figure behind the September 11 attacks and providing material support for al Qaeda leader Osama bin Laden. His son , Najibullah Zazi , pleaded guilty to planning the attacks in February 2010 .
NEW : Mohammed Wali Zazi is sentenced to 4.5 years in prison . The U.S. government has accused him of being a key figure behind the September 11 attacks and providing material support for al Qaeda leader Osama bin Laden. His son , Najibullah Zazi , pleaded guilty to planning the attacks in February 2010 .