To conduct effective investigations in accordance with the Principles on the Effective Prevention and Investigation of Extra-Legal, Arbitrary and Summary Executions of all the deaths that have been attributed to the security forces. Likewise, all allegations of torture and similar treatment be investigated by an independent and impartial body, following the Istanbul Principles. The investigation of both types of alleged violation should be capable of leading to the prosecution of the implicated individuals, both direct and at all levels of responsibility, with a view to ensuring that punishment be consistent with the gravity of the offence.