William J. Hadden was an attorney for Detective Andrew Purdy who appeared in the criminal-trial record on four days in September 1995. On September 6, Hadden identified himself in court and was ordered to return the following morning with Purdy. He later appeared as a speaker in motion hearings concerning the Purdy investigation, Mark Fuhrman's Fifth Amendment invocation, a Pitchess motion, and Purdy's personnel records.