Filmmakers Christian Johnston and Wali Raqazi will be on campus to discuss their controversial film, "September Tapes," on Wednesday, April 12, noon to 2 p.m., in the Bronco Student Center's Centaurus Room. The event, which includes a free screening of the film, is sponsored by Associated Students Inc. Bronco Events & Activities Team (BEAT) and International Business & Marketing professor James Swartz.