David McKenna

David McKenna (born August 14, 1968 in San Diego, California, USA) is an American screenwriter and producer. He worked as executive producer of E-Ring. He used the screen name Zachary Long for Bully. He wrote or played a major/minor part in the search film as S. W. A. T and E-Ring, T. V Episodes. He is perhaps best known for writing American History X and other novels such as "The Trials and Tribulations of Earl".