There has been a lot in the news this week about the arrest of Gerry Adams as a result of disclosures in the Boston College Project. This project interviewed both sides of the conflict in Ireland during what some call "The Troubles". Here is a list of articles including an ABC radio interview which will give you a good picture showing what has happened and why:
ABC radio interview with Ed Moloney
Lessons Learned – transcript of web chat
Gerry Adams' arrest threatens peace