Joan
Joan is described as "A fierce spirit despite being petite of stature. She is defiant, independent, easily worked up. It's clear she has a haunted past, but she's kind to those who deserve it. And although she's self-aware enough to know when she's outmatched, she won't go down without a fight.
Joan is being held down and struggling in a hospital bed at Grady Memorial Hospital. She had tried to escape the compound and was bitten outside. Joan, clearly traumatised, is rather willing to die than have her arm amputated. As Dawn Lerner and Beth hold her down, Dr. Steven Edwards cuts off Joan's arm.
As Beth is cleaning up Joan's blood in her hospital room, Joan compliments Beth's humming, calling it "really nice". Joan implies that Lerner is allowing Gorman to rape her.[1]
Later Beth finds Joan dead in Dawn's office. She had committed suicide by opening her stitching, ultimately resulting in her bleeding out. When Officer Gorman attempts to sexually assault Beth, she knocks Gorman to the floor and a reanimated Joan rips out Gorman's neck.
Beth then informs Dawn that Joan and Gorman went into her office. Dawn and another officer walk into the office and Joan attacks and kills the officer. Dawn then puts down a zombified Joan.