[1] Sir John Stevens led three separate enquiries in Northern Ireland 1989 - 2005
[2] The HET was set up in 2005 as a special investigative unit attached to the PSNI to re-examine the deaths of 3,260 people in Northern Ireland between 1968 and 1998. It was replaced by the PSNI Legacy Investigation Branch (https://www.psni.police.uk)
[3] The PPS decides whether or not to prosecute people for committing criminal offences. It decides what the correct charges should be and is also responsible for prosecuting the case at court. (http://www.ppsni.gov.uk)
[4] The Police Ombudsman's Historical Investigations Directorate was established in 2010. This work is set apart from its investigations into complaints about current policing. (https://policeombudsman.org/)