and you have the wall covered up. it's like doing a tunnel. that's what the mexicans do. we are good at it. >> while cardenas uses stealth to get around jail rules, erica haywood's disobedience is anything but covert. when managing haywood went from difficult to dangerous, jail officials mandated new precautions to prevent further violence. >> it came down that after that assault that happened with me and erica, they now need to have the sert team take her to recreation and bring her right back just in case she tries to assault somebody else. >> now she is only allowed to leave her cell under heavy security. haywood's assault on officer lara came after haywood claimed to be having an affair with a male officer. a charge the officer and his co-workers emphatically deny. >> erica does not have a