6. A police officer must avoid any form of abuse of authority in his relations with the public.
A police officer must not:
(1) use greater force than is necessary to accomplish what is required or permitted;
(2) make threats, intimidate or harass;
(3) knowingly bring a charge against any person without grounds;
(4) abuse his authority in order to obtain a statement;
(5) detain any person who is not under arrest, in order to interrogate him.