(CNN) -- As the controversy surrounding Army Sgt. Bowe Bergdahl release gains growing attention, Bergdahl's family is now the target of recent threats, according to an FBI spokesman. Army Sgt. Bowe Bergdahl family have received threats following his release after five years in captivity at the hands of the Taliban, an FBI spokesman told CNN on Saturday. "We are working jointly with our state and local partners and taking each threat seriously," FBI Special Agent William Facer said in an e-mail. Facer declined to detail the nature and severity of the threats. Additionally, the military spokesperson for the Bergdahl family...