About 90% of our criminal offenses are handled by state or municipal police departments. So in Connecticut there is the State Police and the city police. So In Norwich where I'm from I could be arrested for violating the criminal laws of the state of Connecticut by either the Connecticut State Police who can arrest anyone, anywhere in the state, or by the Norwich Police Department.
However a Norwich Police officer will not have jurisdiction over me, unless I run from him and he crosses into say Preston, Connecticut in hot pursuit, or alternately he is outside the city limits and he sees me commit a serious crime like a felony.
Now in other states, especially rural ones they have police departments that cover a governmental area called a county and are typically called Sherriffs. Sometimes there is an independant police force covering a city inside the county and I do not know if the sheriffs always have jurisdiction within the city. (Does anyone know if the Los Angeles County Sherriff's Department makes arrests within the LA city limits?)
Other then city, state, and county, there is a fourth area. Tribal lands which are indian reservations. Typically these are policed by tribal police and the FBI at the same time.
Normally however most jurisdictions are effectively only covered by a state and local agency with Federal Agencies swooping in to cover specific federal statutes. This does not apply to Washington D.C. however which has perhaps a dozen different agencies with competing jurisdiction.
The Secret Service
D.C. Police Department
quick question: are the Air marshals their own agency?
Originally Posted by Kein Haar
I thought they were called marshals because they worked with the U.S. Marshals.
Yes they do.
Originally Posted by Samuel Browning
But if I can correct a technicality, there is only one sheriff per county and he runs the department, the people on the street are deputies.
The legal system in Scotland doesn't work the same way as in England and Wales, but it's part of the UK. I think you'll find that police powers and procedure are quite different in Northern Ireland. And the various channel islands for that matter.
Originally Posted by TCDD
As to comparing the police procedure and criminal law of, say, New York and Nevada, that's somewhat like wondering why Spain's and Italy's police forces work differently.
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Originally Posted by hapkido_keith
They are two separate agencies, the air marshalls belong either to the department of transportation or the department of homeland security.
Originally Posted by Neildo
I'd totally do that job. I like to fly, and I like shooting terrorists.
You give me too much credit Mr. Browning. It was more of a nit-pick than a point.
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