Claudia Ochoa Felix, nicknamed The Empress of Antrax, is thought to be the new leader of the ‘Los Antrax’ hit squad, used by the Sinaloa cartel to carry out executions and revenge attacks.The 27-year-old uses social media to brag about her lifestyle, posting pictures of herself holding guns, posing with a leopard, and strutting around in tight outfits and swimsuits.