Scott Gardner, 33, is charged with aggravated manslaughter in connection with the hot car death of his 18-month-old son in Florida at the beginning of June. (Video: Volusia County Sheriff’s Office) Scott Gardner, 33, is charged with aggravated manslaughter in connection with the hot car death of his 18-month-old son in Florida at the beginning of June. (Video: Volusia County Sheriff’s Office)