After playing a major role supporting protests overseas the shadowy internet collective Anonymous is moving beyond its hacker roots and into direct action against authorities here at home, authorities that some Anons say have unjustly attacked occupy protestors.

CNN’s Amber Lyon reports on the anarchic, faceless, uncontrollable and hidden power behind the Occupy protests. Armed with cameras, computers, Anonymous is rewriting the rules of engagement between protesters and police.

‘Anonymous’ is one of three riveting stories not to miss on CNN Presents this Saturday at 8:00 pm ET, replaying at 11:00 pm ET and 2:00 am ET.