Take a look back at the London Olympics' security woes -- the successes, failures and lessons to be learned from the event's use of private security officers. 

Has the industry lost its edge of vigilance? At MetLife Stadium, a record-breaking event with 90,000 Jews required a united effort and more than a little vigilance. 

Moving away from the controversial "detention barn" used at the Belmont Stakes, officials from the New York SRWB are implementing four new security protocols for the $1 million Travers Stakes horse race.

Security officials for Kansas City have been studying other cities' event security efforts to build up a strong plan lest anything go awry at the MLB All-Star Game.

Despite being five days shorter, the Taste of Chicago food festival will see plenty of police presence to deter "anyone with an agenda," police Superintendent Carry McCarthy says.

Tampa Mayor Bob Buckhorn unveiled two new applications the city will use to keep businesses and residents up-to-date about trouble spots around downtown during the Republican National Convention in August. 

Fighter jets, troops and even missiles will reinforce thousands of police in Britain's largest peacetime security operation. 

At least 3,500 extra officers are needed by the Tampa Police Department to safeguard the city during the convention.

Only 100 people have been denied accreditation thus far, but the screening process is only two-thirds complete.