In most states, police officers need to go through training, typically at a state or locally run law enforcement academy, and then be "certified." This certification is not referred to as a license, though. The requirements vary from state to state - do a search for "law enforcement academy" and the name of your state for more information.
Ned shot the three police officer in 1878
Registration.
no but he can issue you a ticket because of it.
no way
There is no such thing as "just cause" when a police officer runs a license tag. It's part of his job to do so. Depending on how busy they may be doing other work police officers may randomly run dozens of license tags a day.
You would be trained for and be a holder of all the licences you require including firearms by the time you complete your Police Officer training.
The police don't have a 'license to kill.' They are, however, authorized to be armed and, if necessary, take a life in protection of their own life, or the life of another. Police shootings are subject to the most SEVERE scrutiny.
license and registration/insurance car ownership papers
Yes they can but its dump.
15 to 20 metre.
The only way to find out who has the driving license number 422 in PA is speak to the DMV or to a police officer.
Any police officer can run your license number for wants or registration. No probable cause is required.