The mother of Tigran Gambaryan, a Binance executive detained in Nigeria since February, has been calling on the United States government to end her son’s detention in the country. In a Sept. 18 interview from California news outlet KMPH Fox 26, 75-year-old Knarik Gambaryan urged US authorities to take action to secure Tigran’s release from Nigeria, claiming that he had been “detained wrongfully” and citing his deteriorating health. On Sept. 3, a video emerged through social media appearing to show the Binance executive’s physical condition for the first time since being detained by authorities…