An Egyptian-born aviation security pioneer is suing the US government, claiming he was wrongly suspended from his job at a Transportation Security Administration technical center based on a classified FBI file the government will not let him see. Wagih H. Makky, who lives in Maryland, filed a lawsuit Thursday in US District Court in Newark, claiming he was harassed and discriminated against at work after the Sept. 11 terror attacks based on his nationality and his Muslim religion. The lawsuit claims Makky is one of the world's leading experts in designing and evaluating technology to prevent explosives from being smuggled onto airplanes and rail cars. "In many instances, the dangers of the post-Sept. 11 world require a careful balance between two compelling but competing interests: American values and the security of the American people," his lawyers wrote in the lawsuit. "In this case, these interests are perfectly aligned. Dr. Makky has devoted his career as a TSA engineer to protecting the American people from terrorist attacks.