The Closer - Season 6 Episode 12 High Crimes They'll bring you in. She'll make you talk.
Overview: Chief of Police Tommy Delk (guest star Courtney B. Vance) assigns Major Crimes a seemingly minor case involving the armed robbery of several medical marijuana dispensaries. But when one of the robberies turns into a murder, the case becomes a test of Brenda’s readiness to move up in the department.