>> shannon: federal lawmakers are investigating how a former iraqi insurgent fighter got through. the suspect claimed to have participated in attacks against american troops but at some point he entered the u.s. through a refugee program while using a fake name. sour -- sources say it shows the difficulty in vetting through countries where there's no formal documents. >> bill: the tenth anniversary since retired agent robert leaveson went missing in iran saying the family has suffered in his absence. each and every day but