Understaffed police departments and concerns over public safety are spurring greater use of private security guards. But they aren't a perfect substitute.

Private security guards with Apex Security Group and Contemporary Services Corporation patrol UCLA on May 7, following days of protests on campus.

Several hundred guards are employed by at least five private firms contracted to provide security services at state buildings.

Private security guards have become increasingly visible patrolling Baltimore streets in efforts to curb crime as legislation sets out to place new standards on the industry.

There's a saying among some private security guards in the Washington region: "There's no security in security." Poor job security and the potential dangers that come with protecting government ...

A businessman has spent £10,000 on private security guards in a town centre which he said had seen a "massive increase in ...

That includes private equity–backed Allied Universal, the private security giant and the nation’s third-largest private employer, which provides vehicles and armed security guards to ICE ...

Under the current law, private security guards have little ability to protect themselves while on duty.

The Sacramento County Sheriff's Office is investigating the death of a man who died in the custody of two private security guards.

The Post recently observed Allied Universal Security Services guards inside the Herald Square station holding the emergency doors open to let a stream of scofflaws through.

Brady Street now has "enhanced" security, like more patrols by private guards. Police calls for service to the popular bar street have been high.