Upon hearing of the murder of Sara Tancredi , Sucre changes his mind .
Upon hearing of the murder of Sara Tancredi , Sucre commits to preparing a route for the escape from Sona by taking over as gravedigger to secretly damage the electric fence protecting the prison .
Upon hearing of the murder of Sara Tancredi , Sucre changes his mind and commits to preparing a route for the escape from Sona by taking over as gravedigger to secretly damage the electric fence protecting the prison .