After previously being convicted of sex trafficking and racketeering and receiving a 30-year sentence, singer R. Kelly will face another jury in Chicago on Monday. Kelly is facing federal obstruction of justice charges for allegedly intimidating and threatening a witness in his 2008 child pornography trial, which ended in an acquittal. Kelly, 55, who has been serving time in a New York prison, was facing charges in 2008 for producing a video of himself when he was around 30 having sex with a girl no older than 14.