Anonymous

Published: Nov. 24, 2015, 11:55 a.m.

Online hacking collective Anonymous declared "total war" on IS after the attacks in Paris. Their tactics have often been controversial, sometimes illegal, and don't always win them support. As so-called Islamic State vows to fight back, what is Anonymous likely to achieve and will its strategy help or hinder the fight against extremism? Presenter: Becky Milligan Producer: Ben Crighton.