Human rights — Inhuman and degrading treatment or punishment — Death penalty — Murder — Prolonged delay between sentence and execution — “Death row” phenomenon — Section 17(2) of Jamaican Constitution, 1962 — Whether to be construed narrowly — Recourse of applicants to available appellate procedures — Whether reasonable — Failure of Jamaican system — Whether delay amounting to inhuman or degrading punishment or other treatment contrary to Section 17(1) of Jamaican Constitution, 1962 — The law of Jamaica