The man wanted in the killings of the parents, grandmother and uncle of an infant found abandoned in a front yard last week has been arrested, police in Tennessee said.Austin Robert Drummond, 28, was taken into custody amid a search on Tuesday, police in Jackson said in a social media post. Police later released a photo of Drummond standing in a wooded area wearing a dark hooded sweatshirt and looking into the camera.Drummond’s arrest came shortly after police had warned residents to stay inside their homes, having received a report that he was spotted in a neighborhood. Jackson is more...