Human rights — Right to life — Article 2 of European Convention on Human Rights, 1950 — Substantive obligation — Procedural obligation — Procedural obligation requiring State to carry out effective official investigation into circumstances of death — Human Rights Act 1998 entering into force on 2 October 2000 — Murder occurring in Northern Ireland in February 1989 — Allegations of State collusion — Strasbourg jurisprudence — Janowiec — Whether genuine connection test satisfied — Whether valid claim that Article 2 obligation arising under Strasbourg jurisprudence — New evidence — Whether new evidence capable of reviving Article 2 obligation — Whether State complying with Article 2 obligation under Strasbourg jurisprudence — Whether United Kingdom court having jurisdiction to entertain claim — Whether public inquiry required

Treaties — Application — Human rights treaties — European Convention on Human Rights, 1950 — Right to life — Article 2 — Substantive obligation — Procedural obligation — Procedural obligation requiring State to carry out effective official investigation into circumstances of death — Human Rights Act 1998 — Death occurring before Human Rights Act 1998 entered into force on 2 October 2000 — Whether procedural obligation arising — Strasbourg jurisprudence — Janowiec — Whether genuine connection test satisfied — Whether both criteria satisfied — Whether valid claim that Article 2 obligation arising under Strasbourg jurisprudence — New evidence — Whether new evidence capable of reviving Article 2 obligation — Whether State complying with Article 2 obligation under Strasbourg jurisprudence — Whether United Kingdom court having jurisdiction to entertain claim — Whether public inquiry required

Relationship of international law and municipal law — European Convention on Human Rights, 1950 — Human Rights Act 1998 entering into force on 2 October 2000 — Murder occurring in Northern Ireland in February 1989 — Allegations of State collusion — Article 2 of Convention — Substantive obligation — Procedural obligation — Procedural obligation requiring State to carry out effective official investigation into circumstances of death — Article 2 obligation under Strasbourg jurisprudence — Whether valid claim — New evidence — Whether procedural obligation capable of being revived — State compliance — Whether United Kingdom court having jurisdiction to entertain claim — Whether public inquiry required — The law of Northern Ireland