209. Accountability and punishment.

The investigative obligation1 is one of means, not of result2, and the investigation should in principle be capable of leading to the establishment of the facts of the case and, if the allegations prove to be true, to the identification and punishment of those responsible3. It does not, however, entail the right to have third parties prosecuted or convicted for a criminal offence4. Moreover, the procedural duty imposed by Article 2 is not limited to securing the accountability of state authorities but extended to opening up the circumstances, correcting mistakes, identifying good practice and learning lessons for the future