“an entry on or search of premises under a warrant is unlawful unless it complies with this section and section 16 below. Amongst the section 15 safeguards it is appropriate to note the following provisions: by section 15(2), it is the duty of a constable applying for a search warrant: (a) to state: (i) the ground on which he makes the application; (ii) the enactment under which the warrant would be issued; … (c) to identify, so far as is practicable, the articles or persons to be sought. 23. Section 15(3) states that: “An application for such a warrant shall be made ex parte and supported by an information in writing.”