Aged 19, from Birr, Co Offaly
The son of independent Offaly County Councillor John Carroll, O’Cearrbhail was previously arrested last year on the charge of hacking Fine Gael’s website using a denial of service attack which overwhelmed the government’s web host in Arizona. He is currently enrolled in Trinity College as a Medicinal Chemistry student and is a former winner of the Irish Science Olympiad in Chemistry, Physics and Computer Programming (2011).