The following is a list of Law & Order episodes from the series thirteenth season (2002–2003):[1] Arthur Branch (played by Fred Dalton Thompson) replaced season 12's Nora Lewin (Dianne Wiest) in the role of District Attorney.

An American Muslim Greg Landon becomes the prime suspect in a double murder after an academic challenges his religious beliefs.

A struggling actress Lucy Dolan is murdered in an apparent robbery-homicide where a videotape, made by a couple touring the city and sold to a local news station, shows three suspects loading the stolen property into an SUV.

They are charged with felony murder, a capital crime, and this causes unrest with Southerlyn surrounding the death penalty.

A missing football player Darryl Ridgeway becomes the prime suspect in the murder of Julie Eastman a woman whose body is discovered floating in the East River, but when his yacht is found with all the guests missing the detectives suspect that he was a victim himself of his problematic brother.