Was prosecuted and sent to holloway prison for stealing more than £11,000, something we now know was due to a faulty computer system called horizon. she's come back here today for the first time in 20 years, in the hope that this will somehow help with her recovery. this is my cell. this is your cell? yeah, that's my bed. i remember saying to a girl, i hadn't done the crime. and she said, oh, none of us have. see... you couldn't even protest your innocence in here. i never thought i could come here, ever. tracy spent several weeks in this group cell, before being moved to one of her own. this...