A court apologizes for the incident , and a review of practices is under way . Evan Smith is convicted of killing former police officer Tom Clements . While serving an eight - year sentence , Ebel assaulted a prison guard .
A court apologizes for the mistake , says a review of practices is under way . Evan Ebel is suspected of killing Colorado prisons chief Tom Clements . While serving an eight-year sentence , Ebel assaulted a prison guard .