Biography
David McKenna is an American screenwriter and producer. He wrote the screenplay for the 1998 film American History X, which he also co-produced. He sold the script at the age of 26.
McKenna's other screenwriting credits include Body Shots (1999), Get Carter (2000), Blow (2001), Bully (2001, credited as Zachary Long) and S.W.A.T. (2003). He created and served as executive producer on the television series E-Ring (2005–2006). He has also taught film at Columbia University and Barnard College.
