Sign Up for Free to View July 16, 2021, 10:36 PM ET Shayna Hubers Took Notes On Jodi Arias While Prepping For Trial, Cellmate Says Holly Nivens claims her former cellmate Shayna Hubers looked to the Jodi Arias trial for tips on how to conduct herself in court during her trial for the shooting death of Ryan Poston. Shany Hubers and Jodi Arias Photo: AP Shayna Huber’s former cellmate has revealed that the convicted killer took notes on the Jodi Arias case as she was preparing for her own murder trial. Huber was a 21-year-old college student in 2012 when she shot herr 29-year-old boyfriend attorney Ryan Poston to death at his Kentucky condo. She became irate when she learned that he had scheduled a date with former Miss Ohio Audrey Bolte.