 This revelation stuns Donnelly and clearly deeply affects her.The woman is found not guilty of the murder but guilty of the escape, and Donnelly decides to ask for probation at sentencing.In the season 10 finale episode "", Donnelly is poisoned by a syringe (containing potassium chloride, the chemical used for lethal injections) that CSU Tech Intern Dale Stuckey (Noel Fisher) had placed on a chair in her home, resulting in her hospitalization.