A Texas man accused of fatally shooting his wife and kidnapping their toddler son on Sunday  has died from self-inflicting gunshot wounds. ABC13 reports that 37-year-old Richard Concepcion, according to police, shot and killed his 32-year-old estranged wife, Sarah Alexis Furey, of San Antonio, before fleeing with their with their 18-month-old boy, Aaron. Police later found …