The best episode written by Mark Llewellyn is "Friendly Fire", rated 8.333/10 from 3 user votes. It was "directed by Rod Holcomb". "Friendly Fire" aired on 10/2/2009 and is rated 0.3 point(s) higher than their second highest rated, "End Of Watch".
When two FBI agents, part of a unit headed by Don's former mentor, are killed during a shootout with bank robbers, the team must investigate what exactly happened. Also, Charlie and Amita worry when Larry opts not to attend a conference in Geneva.
Director: Rod Holcomb
Writer: Mark Llewellyn
Don and the team reopen a cold case when a LAPD badge turns up at a construction site. When Charlie joins the investigation, they attempt to track down the owner of the badge, an officer who has been missing 17 years. Meanwhile, Alan is informed that he's being sued.
Director: Michael W. Watkins
Writer: Mark Llewellyn