Claim: Brian Helgeland is a screenplay writer.
Evidence: Brian Thomas Helgeland -LRB- born January 17 , 1961 -RRB- is an American screenwriter , film producer and director.
A screenplay writer -LRB- screenwriter for short -RRB- , scriptwriter , or scenarist is a writer who practices the craft of screenwriting , writing screenplays on which mass media , such as films , television programs , comics or video games , are based.