Seán Hartnett left the British army in 2005 after years of exemplary service, operating as a covert surveillance technician at JCU-NI, the top-secret counter-terrorism unit in Northern Ireland.
Seán Hartnett grew up in Cork in the 1970s where he observed the worst of the northern Troubles with fascination. Despite his family's strong republican ties and his own attempt to join the IRA, Hart
