# 25. Political / organisational tricks ## 25.5. Methodology/Refinements/Sub-species ## 25.5.8. Fusion This is a manipulative tactic (reputedly designed by Trotsky) whereby a party or group is deliberately radicalised by groups who affiliate with them with a view to gaining control. One example is the formation of a radical environmentalist group which then latches itself onto a left-wing or right-wing party and then steers the agenda of that party in favour of the infiltrators' real environmentalist agenda.