An open case of what kind? Unless you were found not guilty, or the charges were dismissed, any serious or semi-serious criminal or traffic charge against you would probably prevent you from being hired as a law enforcement officer.
sure
In the state of Florida, a police officer technically has five days to file a speeding ticket that they wrote. However this is not always the case and the court will still accept it even if it is filed later than that.
Certainly. Beating someone for "no reason," is an Assault.
the case is continued for another date
Not sure just what is being asked - however - anytime an officer submits a report of any kind he is termed to be the "reporting officer' for that particular case.
Rank is irrelevant in this case, because parole officers and police detectives work for different organizations. A police detective usually works for a police department, and a parole officer works for the Dept. of Corrections or a Parole and Probation agency.
There is usually no legal prohibition to a police officer investigating an incident where a member of his family is involved, but the practice is frowned on. The preferable method of handing such a situation would be to call one's supervisor or another officer and ask the case be re-assigned.
No, it could not apply today, because the case was concerned with the rights of slaves.
It's generally between the department and the officer, and are not publicly released unless it's a large scandal or corruption case.
The police officer will hand it to you, or in the case of red light cameras, it would be sent to you by mail.
It's not case law, it's required in most cases by the Fourth Amendment to the US Constitution.
Technically a police officer can investigate anything alone, assuming it isn't a potentially violent or threatening situation. That being said, many police officers and police departments prefer to have more than one officer on the scene "just in case."