A Mississippi teen who sat in her kitchen alongside her two dogs moments after she allegedly killed her mother is accused of texting her friend that she had an “emergency” and trying to lure her stepfather back to the home. Carly Gregg, 15, is accused of murdering her mom, high school teacher Ashley Smylie, inside their Brandon, Miss., home March 19 when Smylie discovered her daughter’s “secret life.” Gregg, wearing a Nirvana band shirt, awkwardly shuffled around the house holding something behind her back, later identified as a .357 Magnum handgun, and facing the camera so it could not detect...