Denis Donaldson, the British agent at the heart of the IRA and Sinn Féin

Denis Donaldson answered to former Sinn Féin leader, Gerry Adams, and was at the heart of the republican movement for 20 years. So, how did he manage to spy for so long for the British? The Bel Tel finds out. Host: Ciarán Dunbar. Guest: Belfast Telegraph Political Editor, Suzanne Breen. See for privacy information.

by The BelTel