cities? >> you are absolutely right. crime is down nationwide according to the brennan center analysis. and as you mentioned about 2.7% nationwide. and one of the reasons we think that crime is down across the nation in the 30 cities that we analysted in our analysis is because of many factors, including inflation, including unemployment rates, including this economic factors. plus the addition of changing policing tactics that we saw in the 1990s and comp stat. and in new york city we seen incredible decrease in violent crime. in fact, on track this year in new york to see less than 300 murders in 2017 in new york, that's unprecedented. in fact, since we have been collecting crime statistics, new