Dr. Maureen Cahill is a police psychologist of the LAPD.
Cahill takes her job as a psychologist very seriously, and only wants to help police officers through the most traumatic events in their lives as much as possible, especially Martin Riggs; under the impression from Roger Murtaugh that Riggs may be suicidal and dangerous, as she's often seen with Riggs when she talks with him about the events in his life. She's shown to be very thoughtful and very concerning of Riggs, as she wants to help him. She's often in a meeting with Murtaugh at certain times, who she often helps, as well.
Cahill has a history of being known for helping police officers in the LAPD, through the most traumatic moments in their lives. Especially Riggs and Murtaugh.
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