Big Time Security Challenge News Today

>> reporter: thank you so much. >> they have been bundled up. you can see the road just continues to go for blocks here. this is obviously a big-time security challenge. nypd wont say how many officers are out. they are out on almost every corner and every few feet because the attacks we have seen this year, the truck attack from october 31 and the failed suicide bombing attack not far from where we are standing, they are two reasons why security is at its highest right now. officers on high ale...