the san bernardino case where 14 people were killed in december of 2015. she actually was a relatively recent migrant from pakistan who came to the united states on a fiance visa. pakistan strangely wasn't on the list. there's a number of muslim countries. it is sort of a puzzling -- obviously was a campaign promise, but one of those things that sounds like it makes sense but doesn't really when you look at the facts. >> let me hit you with a statistic. indicate cato institute. the chances a citizen killed by a refugee 1 in 3.6 million. more likely to be hit lby lightning. >> i am not sure if it is one in three billion or whatever, odds are incredibly low. you're 3,000 more times likely