Allan Pinkerton

Am 1884 guide to vice and crime by the founder of the world’s largest private detective agency.

A video game portrays the Wild West’s famous detective agency as violent enforcers of order. But the modern-day company disagrees.

The notorious union-busting agency has resurfaced in a telecommunications labor dispute, showing how it's adapted to the 21st century.

The hidden story of a 180-year-old union-busting spy agency.

In 1877, one million workers went on strike and fought police and federal troops in cities across America.

For centuries, sleeping outside has been embraced or condemned, depending on who’s doing it.

Before Americans worried about government or corporate surveillance, 19th-century criminals took advantage of a new technology to steal valuable information.