Accused Times Square Bomber Faisal Shahzad linked up with the Pakistani Taliban through the internet, ABC News has been told by law enforcement and intelligence sources close to the investigation. Once the Taliban identified him as more valuable in the U.S. than in Pakistan, they trained him to return to execute his bomb attack.

But according to these sources, Shahzad also had a web of jihadist contacts that included big names tied to terror attacks in the U.S. and abroad, including the figure who has emerged as a central figure in many recent domestic terror attempts -- radical American-born Muslim cleric Anwar Awlaki...

According to a person briefed on the FBI interrogation, Shahzad has told federal agents that he was angry at the CIA missile strikes carried out in Pakistan and suffered a personal crisis in his life. He has reportedly said he carried out the attempted bombing because he was under duress and that he feared for his family's safety if he didn't fulfill the mission.