(CNN) – Faisal Shahzad is not the first U.S. citizen linked to a home-grown terror plot. Others have pleaded guilty in similar cases. But how do everyday Americans become radicalized and turn against their country?
Senior international correspondent Nic Robertson joined us on Monday's American Morning with a preview of an in-depth CNN investigation, "American al Qaeda."
Program Note: You can catch more of Nic's report and our in-depth investigation "American al Qaeda" tonight on AC360 at 10 P.M. ET, only on CNN.