The Mentalist Season 4 Episode 6
Where in the World is Carmine O'Brien
-Marnie Green, a local police chief is found shot to death. Her body was dumped from her police cruiser after the killer ran it into a tree.
-Lisbon runs into her brother Tommy and his 14 year old daughter Annie. Tommy is working as a bounty hunter and Lisbon thinks he's in over his head. When he goes after a fugitive, he causes Cho to be hit by a car and injured. Lisbon is furious.
-Chief Green had gone looking for a local drug addict at a cabin the day she died. Lisbon goes to the cabin and finds the addict shot to death.
-Jane makes it appear as though Carmine, the fugitive Tommy is chasing could have witnessed the murder. Then he lets several key players know that Tommy is transporting the fugitive.
-Chad, the hotel manager tells Tommy he'll pay him to take Carmine to Mexico. Turns out Chad was the drug dealer and when the Chief interrupted a sale, he shot and killed her. Jane and Lisbon overhear. When Chad is cornered he tries to take Tommy hostage. Annie hits the fire alarm as a distraction and both Tommy and Lisbon take Chad down.
-Lisbon tells Tommy she's worried about him but she may be wrong about his new profession and gives him her support.