in september 2005 the psni started the historical enquiries team to help solve 3,269 murders that happened during the troubles. the northern ireland policing board make sure that the psni are fair and do a good job. the police ombudsman for northern ireland investigates complaints about the police. the current police ombudsman is al hutchinson. the last ombudsman was nuala o'loan. she was the ombudsman until november 2007.