Man arrested was at Sinn Féin event in Dublin six weeks ago addressed by President Catherine Connolly, but is not a party memberSuspect in far-right extremism probe met Mary Lou McDonald campaigning in general electionCouple were admitted into Leinster House twice this year as guests of Sinn Féin senator
Sinn Féin president Mary Lou McDonald. Photo: PA
A Sinn Féin activist who is a terror suspect in a far-right plot to attack a mosque previously admitted to selling cocaine.
The party turned down his formal membership application due to his drug possession, the Irish Independent has learned.