Sarah McKinley, 18, and her three-month-old son Justin sit on the couch of her mobile home on Wednesday, Jan. 4, 2012, in Blanchard, Okla. A 911 tape released to Oklahoma City media outlets Wednesday reveals that 18-year-old Sarah McKinley asked a Grady County dispatcher for permission to shoot the intruder. McKinley's 3-month-old son was with her when she shot Justin Shane Martin, 24, at her Blanchard mobile home. Authorities don't plan to file charges against her. The Oklahoman, Steve Sisney