are killed by heroin alone, 90% of which floods across from our southern border. >> so the fact is the majority of hard drugs seized by custom and border protection come through ports of entry, either in packages, in cargo, or with people who attempt to enter this country legally. a wall would not stop that. and the majority of the heroin coming into this country is driven across at legal points of entry in private vehicles or in tractor tailors and a wall wouldn't do anything to stop that, either. remember when he told you this? >> so we have a concrete wall, but you can't see anything, right? a hundred pounds of drugs. they throw it over the wall and it lands and it hits somebody on the head. so you need to have a great wall, but it has to be see-through. >> so what about those ports of entry?