GENEVA - Private security companies employ up to 25.5 million people across the world, exceeding the number of police officers, and hold up to 3.7 million firearms, a survey said Wednesday. "The global trend towards downsizing government, including public security institutions, has contributed to the growth of the private security sector," said the Geneva Graduate Institute's small arms survey. "In prisons, at airports, along borders and on the street, security... (GunPolicy.org)