Spycop HN85 Roger Pearce 'Roger Thorley' infiltrated anarchist groups 1979-84. He gave evidence to the spycops public inquiry in July 2024. The Inquiry hasn't posted video of him being questioned on its YouTube channel, so we've posted it on ours.
Thorley wrote anti-police articles while undercover. Afterwards he became a Special Branch manager before retiring in 2003 to write awful novels.