R v Aitken - [1988] 1 NZLR 252

Criminal law — Evidence — Interception warrant — Drug-dealing offence — Admissibility of evidence — Police were granted an interception warrant but did not disclose prospect or possibility that undercover office might be employed — Whether non-disclosure was a defect or irregularity rendering evidence obtained pursuant to warrant inadmissible — Whether evidence obtained pursuant to a warrant issued in relation to supply or dealing in drugs was admissible on charges of conspiracy in relation to those drugs — Whether police were entitled to use warrant until maximum available evidence had been obtained — Whether sufficient information had been given to court on application for renewal of warrant — Observations as to form of warrant if more than one listening device to be used — Misuse of Drugs Amendment Act 1978, ss 14, 15, 18 and 25.