NEW : He driven from Connecticut to Times Square day before the attack . NEW : Shahzad accidently left keys to the Isuzu inside the bomb - laden car . Sources say investigators believe he ran to catch the train that pulled out around 7 or 7:15 Saturday night . He felt Islam was under attack , source says . ` ` The dynamic appeared to have changed in the last year , '' official says .
NEW : He driven from Connecticut to Times Square day before the attack . NEW : Shahzad accidently left keys to the Isuzu inside the bomb - laden car . He felt Islam was under attack , source says . ` ` The dynamic appeared to have changed in the last year , '' official says .