Paul Hughes ( born Newry , 1958 ) , Donna Maguire ( born Newry , 1963 ) , Sean Hick ( born Glenageary , 1956 ) , and Gerard Harte ( born Lurgan , 1956 ) were arrested in Belgium in June 1990 , and were later charged with the murders of Spanos , Melrose and Major Dillon-Lee . Harte was convicted of the murders of Spanos and Melrose and sentenced to 18 years in prison , but his conviction was overturned on appeal . The other three were acquitted of the Roermond murders , but then extradited to Germany and tried for the murder of Major Dillon-Lee . All three were acquitted as well , although Maguire was remanded and later convicted of taking part in bombing a British Army base in the Osnabrück mortar attack . Evidence also linked Desmond Grew , an IRA volunteer later shot dead by the Special Air Service , to the group
Osnabrück mortar attack
Osnabrück mortar attack
Killings of Nick Spanos and Stephen Melrose