about the threat of terrorism but yet to a border patrol agent out on the line for instance, in calexico for five years say chief, i've never seen a terrorist here what are you talking about? make them understand what we're asking them to do day in, day out plays into much larger very complex security system we'll not solve on our own. so for the internal audience, it was hopefully they can understand one, where we are, where we're going and their contribution to that overarching mission. >> i appreciate that. agent schroeder, i have a question regarding the risk-based strategy you outlined in the second of your three articles. you mentioned in your remarks just now that it's not a resource strategy because throwing resources at this set of challenges won't necessarily lead to the outcome we're trying to pursue. and so, can you talk a little bit about the risk-based strategy, its limitations. you mentioned there is also no panacea or silver bullet short-term fix but that this is really a long game. this is the longer term strategy. there are gaps, there will be vulnerabilities. how does