Séamus McElwaine judge describing him as a "dangerous killer" and recommending he spend at least 30 years in prison. On 25 September 1983, McElwaine was involved in the Maze Prison escape, the largest break-out of prisoners in Europe since World War II and in British prison history. 38 republican prisoners, armed with 6 handguns, hijacked a prison meals lorry and smashed their way out of the Maze prison. After the escape he joined an IRA Active Service Unit operating in the area of the border between Counties Monaghan and Fermanagh. The unit targeted police and military patrols with gun and bomb attacks,
Portlaoise Prison walls, cameras, sensors and acres of tank traps (Czech hedgehog). The prison has a capacity for 399 prisoners, but because of the security sensitive nature of its inmates, it operates below this capacity and its daily average number of resident inmates was only 119 in 2009. There have been various high-profile attempts to spring prisoners from inside the walls. In 1902, the infamous criminal James Lynchehaun, who was in prison for the attempted murder of Agnes McDonnell, escaped unaided over the walls and made his way to America. The method of escape is well documented in the book, "The Playboy