first go back to what david aguilar was talking about.there's a series of an events in the country that need to be achieved. we need to interrupt the supply chain of trouble and moving in on the borders to deal with it between ports of entry. at that point it's almost consequence management at that point. with the cartels and so forth, we need to be concerned that mexico's ability to manage their entire border, with us, belize, and the maritime borders. for a number of decades now, we dealt with drug flows that come from maritime means, and that threat evolved over the years, and i think when we look at border security and management, we have to look at the entire threat and entire chain of where things are developed and how they move through, and david aguilar got it right. we need to be concerned in my view with the southern border of mexico and maritime because that's where the drugs come into mexico, and then it's hard to detect them at the border. >> tell us a second about how whenever we come up with a counter to one of their sort o

david aguilar is the deputy commissioner of the u.s. customs and border patrol, he's a former chief, 31 years with the border patrol. where he's oversaw 2,000 agents, he's received awards for the achievements, especially with desert safeguard. i appreciate you joining us today. it's a very important subject. i wonder if you can start off at 30,000 feet. what does a secure border look like? in this town, there seems to be a lot of disagreement about what it would look like and entail. >> first of all, let me begin by thanking you for the invite to be here this morning. it's a great opportunity to clear up some of the questions that are being asked about the border, what is a secure border, what does it entail? what is it going to take? let me give you a little bit of history before we go into too much depth. a secure border is going to be the ability to have a border that is well managed and mitigate as much of the risk that we know exists along the entirety of that border. 2,000 miles on the southern border, 4,000 miles on the northern