The show reexamines the high-profile case of Casey Anthony, now nearing the 10th anniversary of when Casey was acquitted for the murder of her daughter Caylee, as well as the story of Joyce Mitchell, the woman who aided two convicts in their escape from prison in Dannemora, NY. Cellmate Secrets will also delve into the inner lives of convicted killers Drew Peterson, Chris Watts, Susan Smith and Shayna Hubers.