“Sound of Freedom” follows the true story of Special Agent Tim Ballard who specialized in catching sex criminals, particularly in regard to the exploitation of children on the internet. But Tim is challenged early in the film by the seeming futility of catching criminals when real children’s lives are at stake. Years of looking at the darkest side of humanity has broken his heart to pieces, and the only way he can see to rebuild his humanity is by liberating the lost and forgotten victims of the sex trafficking network. He goes on a quest to South America to do just that. …