Warren Leight (born January 17, 1957) is an American playwright, screenwriter, film director and television producer. He is best known for his work on Law & Order: Criminal Intent, Lights Out and the showrunner for In Treatment and Law & Order: Special Victims Unit. His play Side Man was a finalist for the 1999 Pulitzer Prize for Drama.Warren Leight was born to jazz trumpeter Don Leight (1923–2004), and his wife, Timmy, the second of two children. Both Warren and his older sister, Jody (born 1955), grew up with financial trouble and around clubs. Wikipedia