When the Pinkerton guards arrived at the factory on the morning of July 6, a gunfight broke out.

The system would be operated by specially trained Pinkerton guards who would test a work site of 15,000 square feet for about $5,000.

On July 6, a fight broke out between three hundred Pinkerton guards and a crowd of armed union workers.

Mining companies acted on a concern about miners stealing high grade ore by hiring Pinkerton guards.

The university has said 38 Pinkerton guards were inside, while the city has said 66 police officers were outside.

"The same with the guy in here," said Bill Miller, the Pinkerton guard at Funny Cide's barn.

Grudgingly, the Pinkerton guards let him in.

Pinkerton guards patrolled the floor, the elevators, and the staircase to keep overzealous fans from Elvis.

He wanted to be a cop but had to settle for a stint as a Pinkerton guard.

These were the paintings that were brought over from Europe in yachts, riding in their own private cabins with three Pinkerton guards.