Human rights — Arrest and detention — Search of homes — Disappeared persons — Right to life — Summary or arbitrary executions — Torture and ill-treatment — Paramilitary forces — Responsibility of States — Security of persons — International Covenant on Civil and Political Rights, 1966

International tribunals — Procedure — United Nations Human Rights Committee — Optional Protocol to International Covenant on Civil and Political Rights, 1966 — Communication alleging violations of Covenant — Burden of proof — Sufficiency of State party’s reply — Duty to investigate disappearances and killings — Duty to investigate allegations of torture