The Michigan State Police (MSP) is the state police

State police

State police are a type of sub-national territorial police force, particularly in Australia and the United States. Some other countries have analogous police forces, such as the provincial police in some Canadian provinces, while in other places, the same responsibilities are held by national...

 agency for the state of Michigan. The MSP is a full service law enforcement agency with its sworn members having full police powers statewide.

The department was founded in 1917 as a war-time constabulary and eventually evolved into the modern agency that it is today. The department's enlisted members are called "Troopers". The department had 1,730 sworn members as of November 2009, however, that number has been reduced.