sentences:  Lisco, a former lawyer who has previously written scripts for "The District" and "NYPD Blue", did several ride-alongs with the New Orleans Police Department before writing a script for the pilot.It was during one such ride-along that he spotted some graffiti sporting the shorthand for "Katrinaville" that became the show's title.In order to promote the series, Fox made the pilot episode available for streaming on a number of television media websites on August 22, 2007.