Edited sentence: As a Roman Catholic organisation Sinn Fein is fundamentally at odds with the religious sentiments of the majority of Northern Irish people and their historical alleigances.He has been involved in the slaughter of innocent people in his capacity as an IRA commander.In attempting to subvert democracy and the will of the Northern Irish people Sinn Fein has shown itself incapable of entering a democratic system and operating within a liberal government.It is also probable that he played a significant role in the sanctioning and attempted cover up of the national bank robbery.Mcguiness has a history of involvement in terrorist planning.The senior sinn fein negotiator is Martin Mcguinness