Rachel Weisz has signed on to star in indie political drama "
The Whistleblower" in a part recalling the thesp's role as a crusading truth-seeker in "The Constant Gardener."
Based on a true story, "Whistleblower" chronicles the trials of a female cop from Nebraska who serves as a peacekeeper in post-war Bosnia and exposes a United Nations cover-up of a sex trafficking scandal. Kondracki and Eilis Kirwan wrote the film, which will shoot in Budapest. The pair based the screenplay on the story of Kathryn Bolkovac, who traveled to Bosnia in 1999 as a U.N. peacekeeper.