Crime Gun violence See all topics Facebook Tweet Email Link Link Copied! Follow The New York City office building that was the site of a mass shooting Monday had significant security measures in place. There was an off-duty police officer present, along with other security officers, a lengthy check-in process, locked turnstile gates, lobby alarms, elevators that allowed access only to certain floors, and, as a last resort, reinforced safe rooms. Despite those measures, a 27-year-old armed with

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