. >> putting officers in a lot of these schools obviously very, very e pen sive. to what extent has the tightens of budgets, especially at the state level impeded some of these changes? >> i'm sure right now with sandy hook only being one year ago some of the budgets haven't quite caught up to the needs and the necessities of school safety. i do know the federal government just released a grant for about 300, a little over 300 new school resource officers across the country. that grant auz awarded back in october. >> any evidence so far they've been able to interrupt a school shooter coming in? >> there hasn't really been a lot of school shootings that have occurred on campuses where there is a school resource officer, per se. if you think about it, when you have a police car sitting out in school and a police officer on the campus, any kind of outside incruder, they may not pick that school to go on, to go on campus and carry out the attack. >> in the year since newtown, what type of changes have schools been make? >> in the last year we've seen a lot of schools