While I have some sympathy with the 'freedom fighter' concept, the murder of civilians in England and Northern Ireland should never be part of the 'move-on' process.
Adams is always very precise with his comments, viz: '..I can categorically state I was not involved in the kidnapping or murder...' etc. What about the planning or the knowledge the act was to take place?
Stick him on Question Time or in front of Paxman and let's find out.