evidence: The Police Service of Northern Ireland (PSNI; Irish: Seirbhís Póilíneachta Thuaisceart Éireann;[7] Ulster-Scots: Polis Service o Norlin Airlan), is the police service responsible for law enforcement and the prevention of crime within Northern Ireland. [...] Accountability [edit]The PSNI is supervised by the Northern Ireland Policing Board. [...] - ^ PSNI (2015). April 2015, Keeping People Safe PSNI, Belfast.