What's the difference between the FBI, US Marshal Service and State Police?

Question

How do they interact? What cases typically bring them together?

Answer 1

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Sara,

You need to google each one, as they are very different. Basically the FBI investigates crimes committed that are under federal jurisdiction, the State Police patrol the highways and can, when called upon, conduct investigation within their state. The US Marshall Service hunts fugitives, but its main function is the security of federal court house and federal judges. They also are responsible for the movement of federal prisoners to and from court.

Source(s): Retired LE

Answer 2

The police check usually stays within the state but will check for out of state warrants. An FBI check will go back to the time you are born, they interview neighbors, relatives and check any place you lived to see what kind of character you are and if you are stable.

Answer 3

Here is the website for the FBI http://www.fbi.gov/

Here is the website for the U.S Marshals http://www.usmarshals.gov/

and last but not least here is a website that explains what the state police do http://en.wikipedia.org/wiki/State_police

All of these websites should help with what you need.