Original sentence: According to letters seized by American federal authorities from a Dundalk IRA member, Martin Quigley, who had travelled to USA to study computing at Lehigh University in Pennsylvania, the organisation managed to smuggle a M82s to Ireland just before his arrest in 1989
Edited sentence: According to letters seized by American federal authorities from a Dundalk IRA member, Martin Quigley, who had travelled to USA to study computing at Lehigh University in Pennsylvania, the organisation managed to smuggle a M82s to Ireland  just before his arrest in 1989