The Whistlebloweris a 2010 thriller film directed byLarysa Kondrackiand starringRachel Weisz. Kondracki andEilis Kirwanwrote the screenplay, which was inspired by the story ofKathryn Bolkovac, aNebraskapolice officer who was recruited as a United Nations peacekeeper forDynCorp Internationalin post-warBosnia and Herzegovinain 1999. While there, she discovered asex traffickingring serving (and facilitated by) DynCorp employees, with the UNSFORturning a blind eye. Bolkovac was fired and forced out of the country after attempting to shut down the ring. She took the story toBBC Newsin England and won a wrongful-dismissal lawsuit against DynCorp.Kondracki wanted her debut film to concern human trafficking, and she encountered Bolkovac's story in college. She and Kirwan struggled to obtain financial support for the project. Eight years after Kondracki decided to produce the film, she secured funding and cast Weisz in the lead role.The Whistleblowera co-production between Canada, Germany, and the United Stateswas filmed inRomaniafrom October to December 2009.