joe fenton, a suspected informer, had first been interrogated in this house before his execution. it's also where, several months later, another suspected informer, sandy lynch, was brought to. his account of what happened to him gives us the greatest insight into scappaticci at work as a spy catcher. an actor is giving voice to edited extracts of what lynch told the authorities about his ordeal. i belonged to the provisional irish republican army. the unit was under control of the belfast brigade. sean maguire was second—in—command. i entered the house. maguire was walking behind me. i went up the stairs and someone was behind me. someone who i believed was scappaticci.