NY1 VIDEO: As part of its 9/11 tenth anniversary coverage, NY1 takes a look back at reporter Kerry Lyon's September 12th, 2001, story on the security measures put in place after the terror attacks. View the original story here:

NY1 FOLLOW-UP: NY1 recently caught up with Robert McCrie, a professor of Security Management at John Jay College, to get his thoughts on the security changes that have been put in place since the terror attacks. View his comments here: