The state police system was developed in the U.S. just after 1900. In 1908, the Federal Bureau of Investigation was organized.
untied state
cities developed professional firefighting and police forces
August Vollmer developed the first police training school.
Ukraine
history and tradition
the police force was invented by peel
In most places, the police don't have the authority to do this independently. The state child protective service would have to get involved, and possibly the state's court system as well.
Yes,a state police can investigate a state case.
Maryland State Police was created in 1921.
to be a police officer you need to attend a state approved police academy and be state certified in the state you live in.
In a police state, the government would control the actions of police.
They developed professional firefighting and police forces