(1) With reference to his reply to question 693 on 1 April 2016 and the link to a certain advert selling a semi-automatic firearms (details furnished), (a) what action is his department taking against the specified person (name furnished), (b) who is the investigating officer and (c) what progress has been made in this case; (2) what immediate steps are being taken to stop the selling of firearms from the specified person’s private residential home?