Chilling new footage showing the final hours of Mica Miller, the South Carolina woman who was found dead of an apparent suicide days after serving her pastor husband with divorce papers, has emerged, RadarOnline.com has learned. In gas station surveillance footage obtained by NewsNation, Miller can be seen filling up her car and purchasing a drink and appears to be acting normally. “She got the drink, came outside, used the restroom, got her gas, and she left,” the gas station owner told NewsNation. “Nothing special. Just regular, regular day, regular thing.” Miller, 30, was found dead in Nort…