The police will shoot him on sight only within some very well defined circumstances such as: - Poses an immediate threat to the public or the officer They s

The police will shoot him on sight only within some very well defined circumstances such as: - Poses an immediate threat to the public or the officer They shouldn't immediately shoot him if - there is no weapon in sight, or - the weapon is pointing at the ground etc. In any civilised society there is no room for summary execution. Obviously preserving human life trumps any other concerns, this includes the "bad guy's" life.