HM Prison Maze name. Republican and loyalist prisoners were housed according to group. They organised themselves along military lines and exercised wide control over their respective H-Blocks. The Loyalist Volunteer Force (LVF) leader Billy Wright was shot dead in December 1997 by two Irish National Liberation Army (INLA) prisoners. The prisoners also played a significant role in the Northern Ireland peace process. On 9 January 1998, the British Secretary of State for Northern Ireland, Mo Mowlam, paid a surprise visit to the prison to talk to members of the Ulster Defence Association (UDA) including Johnny Adair, Sam "Skelly" McCrory and Michael Stone. They
Mountjoy Prison helicopter escape and sentenced to a further two years imprisonment for escaping. Twomey evaded recapture until 2 December 1977, when he was spotted sitting in a car in Sandycove by members of the Garda's Special Branch who were investigating an arms shipment after a tip-off from police in Belgium. Twomey drove away after spotting the officers, before being recaptured in the centre of Dublin after a high-speed car chase. He was also imprisoned in Portlaoise Prison until his release in 1982. Mountjoy Prison helicopter escape The Mountjoy Prison helicopter escape occurred on 31 October 1973 when three Provisional Irish Republican Army (IRA)