Innocent?

Firefighter and devoted husband Matt Kingston is arrested for a gruesome murder. He denies having any guilt even though investigators find his DNA at the murder scene. His public defender, the neophyte lawyer Paula Peters, is assigned to defend him and tries her best to believe in his innocence. But the evidence seems overwhelming against her ever being successful. This story follows the investigation into the murder, who ultimately stands by Kingston's claim of innocence, and who does not.
Is he truly innocent?