Detectives seized mobile phones and laptop computers in a raid at a property in Hackballscross, Dundalk and seized firearms, explosives and illegal drugs during another raid at a premises in Kilsaran, Castlebellingham.
In March 2009, Irish media uncovered the fact that Shortt's baronial "castle" was in fact only a modest house built within the village of Castlebellingham.
Castlebellingham services (also on the M1) opened on 29 September 2010, with Enfield services on the M4 opening shortly after in late 2010.
On 22 April 1923, he was at a safe house in Castlebellingham along with his brothers Padraig Quinn (IRA Quartermaster General) and Malachi (father of Ruairi Quinn Labour TD).