Shami Chakrabarti, director of Liberty, said the police assessment represented a "chilling" threat to democracy.
The political institutions have been rocked following a police assessment that Provisional IRA members were involved in the shooting of Kevin McGuigan in August in a suspected revenge attack for the murder of former PIRA commander Gerard "Jock" Davison three months earlier.
A police assessment that individual members of the PIRA were involved alongside dissident republicans and criminal elements has rocked the political establishment and prompted unionists to remove all but one ministers from the Executive.
We have provided over $40 million in equipment to the Frontier Corps and the Northwest Frontier Province (NWFP) police; we are in the midst of programming another $15 million for the NWFP police and await the results of a police assessment team to reprogram another $85 million for law enforcement.
Ulster Unionist leader Mike Nesbitt, who met Mr Hamilton yesterday, said: "The Chief Constable repeated the police assessment that members of the IRA took part in Wednesday's murder and that the IRA still exists, although what form it takes in 2015 is not fully clear".
What they found instead was that the "initial police assessment of [Mjadzelics'] credibility impacted negatively on the police response over a four year period".
In light of the police assessment on the IRA's involvement and existence, unionists were haunted by the often quoted quip of Sinn Fein leader Gerry Adams in 1995: "They haven't gone away, you know".
According to police assessments obtained by the Guardian last month, there were more than 10,000 women and children deemed to be at high risk of being murdered or seriously injured by their current or former partners.
Collier (2006) examines the rapid evolution of UK police performance measurement from 1992 to 2004, culminating in the Policing Performance Assessment Framework (PPAF).
Home Office (2008a) introduces the replacement for the Police Performance Assessment Framework, the Assessments of Policing and Community Safety (APACS) framework.
