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Gunman with 'mental health history' kills 4, including cop, at Manhattan office building
A man stalked through a Manhattan office tower firing a rifle Monday, killing four people, including a New York City police ...
After Midtown shooting, how companies can keep their workers safe in office buildings
After a gunman opened fire in a New York City office building and killed four people, experts share strategies for workplaces to implement to mitigate acts of violence.