EVERYONE either keeps forgetting or unaware - Casey will get an automatic appeal no matter what JB does, or what the press does or what her parents do, or what joe schmo does - her constitutional right gets her an automatic appeal that will go to the appeals committee for the State of Florida who will then after reading very detailed briefs from both the defense and prosecution will either grant her appeal and she will get a new trial OR they will deny her appeal in which, her appeals lawyer will go back to the drawing board and try for another appeal
It's basic procedure for these kinds of cases