Four Nephews

Historical marker location:

613 Opdyke St, Chester, Illinois

( Marker is on Opdyke Street (Illinois Route 3) south of Crosby Street, on the right when traveling south.)

Marker installed: 2016

The Illinois State Police, founded in 1922, is one of the oldest state police agencies in the United States. The agency is responsible for enforcing state laws, protecting state property, and providing security for the governor and other state officials.