paralyze the life of cities. >> reporter: new data shows vast majority of recent plots have been home grown terrorist and not foreign fighters returning from syria as was predicted as recently by the intelligence community last year, sandra. >> sandra: all right. catherine, thank you very much. >> reporter: you're welcome. >> sandra: how can europe or the u.s. crack down on these vehicle attacks? experience uncompromising performance at the lexus golden opportunity sales event before it ends. choose from the is turbo, es 350 or nx turbo for $299 a month for 36 months if you lease now. experience amazing at your lexus dealer. tand the alzheimer'sf association is going to make it happen. but we won't get there without you. visit alz.org to join the fight.