Complete story — includes the ending
Dr Micah Newton, a hospital administrator, is found murdered at a golf driving range. Newton's radiation badge shows above the safe radiation limit but Newton's body does not. LaRoche, who has been given Hightower's position, appoints Cho as the new boss in the team. Cho and Rigsby interview Newton's husband, who hands over a letter from Byron Jordan threatening Newton's life if his wife Enid does not get her promised kidney transplant. Lisbon learns Newton's badge was swiped in Radiology, and was used thrice as much in the past month. The CBI discovers that his assistant Francine Trent used the badge to steal valuable nuclear material and sell it on the black market, but she has an alibi for the time of his murder. Impressed with the assistant's arrest, LaRoche reinstates Lisbon as the boss. Observing several patients at the hospital in pain despite being on medication, Jane plots to reveal the killer using medication to reverse the effects of whoever is on drugs. Dr. Gidry, the anesthesiologist, sneaks off to shoot drugs and confesses that Newton found out she was stealing drugs from patients and so she had to kill him.
Sources and content license
Source and revision history · Adapted from Wikipedia contributors, The Mentalist season 3. HTML formatting and reference markers removed. · Content license