A Johnson City Man Is Headed To Jail On Child Pornography Charges. A U.S. District Court Judge Sentenced 56 Year Old Bobby Howard Cook To Just Over 19 Years Behind Bars For Receiving And Possessing Child Pornography. Cook Pled Guilty Last September. He Was Convicted Of The Same Offense In 1997 And Received A 33 Month Sentence At The Time. Cook Was Also Convicted Of Sexual Battery Of A Child And Has Been In Federal Custody Since His Arrest Last July.