A single mother from Ohio died in an attempt to save her 6-year-old son Deluca from carjacking. When Alexa Stakely saw a stranger inside her car with her son asleep in the passenger seat, she jumped on the vehicle's hood. Alexa Stakely, a 29-year-old preschool teacher, died in a frantic attempt to save her 6-year-old son from carjackers Ohio mom …