A grandfather who killed eight people, including his pregnant daughter and her children, never seemed to be in distress and was “always smiling,” according to the father of one of his victims. “I think that was a front for him,” Julius Windham said of the grandfather, Matthew Stone Sr., following the shooting, according to the New York Post. “Him every day, him smiling and being just — you would think [that] nothing like that would happen.” Windham shared daughter Amari’anna, 22 months, with the shooter’s daughter, Angelina Stone. Amari’anna and Angelina, 24, were among the...