Claim: David Koepp directed only one film.
Evidence: Koepp has directed six films over the course of his career : The Trigger Effect -LRB- 1996 -RRB- , Stir of Echoes -LRB- 1999 -RRB- , Secret Window -LRB- 2004 -RRB- , Ghost Town -LRB- 2008 -RRB- , Premium Rush -LRB- 2012 -RRB- , and Mortdecai -LRB- 2015 -RRB-.