Businesses around the country are reevaluating security after a brazen shooting at a New York City office building raised questions about what it takes to keep workplaces safe. The attack on a seemingly secure building — in a gilded part of Manhattan where the rich live in sprawling apartments and tourists window-shop designer

The gunman who killed four people at an office building in New York City on Monday evening left his home in Las Vegas, Nevada late last week.

A shooting Monday at an office building in New York City that is home to the Blackstone investment firm and the NFL left four people dead, including an NYPD officer.