Any police officer who -

(a) without lawful authority or reasonable cause enters or searches, or causes to be entered or searched any building, vessel, tent or place; or

(b) vexatiously and unnecessarily seizes the property of any person; or

(c) vexatiously and unnecessarily detains, searches or arrests any person; or

(d) offers any unnecessary personal violence to any person in his custody; or

(e) holds out any threat or promise not warranted by law,