Which of the Following Was Not One of Sir Robert

Which of the following was not one of Sir Robert Peel's nine principles ofpolicing

A) The basic mission for which the police exist is to make arrests and aid in convictions.
B) The ability of the police to perform their duties is dependent on public approval of policeactions.
C) Police must secure the willing cooperation of the public in voluntary observance of thelaw in order to secure and maintain public respect.
D) Police preserve public favor by constantly demonstrating absolute impartial service to thelaw.