A police officer's truthful response to an accused's question about the consequences of silence, followed by reiteration of the right to silence and an offer of legal advice, does not constitute an implied threat rendering a subsequent interview involuntary. A trial judge is not obliged to conduct a voir dire on voluntariness where experienced counsel does not request one and the challenge is based solely on the transcript. Where a sentencing judge fixes a non-parole period that is unusually high relative to the head sentence for a first offender with good rehabilitation prospects, reasons must be given for the departure from the normal ratio; failure to do so constitutes sentencing error.
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