@dailymail: Wisconsin shooter Natalie Rupnow's father shared a chilling image of his daughter practicing at a shooting range. Jeff Rupnow posted the snap to his Facebook page in August. Natalie, 15, killed a substitute teacher and a teenage student and wounded six others with a 9mm pistol at Abundant Life Christian School in Madison on Monday morning. No motive has been given and police say they're working to verify whether a manifesto being shared online was written by Rupnow. Jeff Rupnow has two daughters and it is unclear which of them was snapped firing the gun - but he spoke proudly of the child's prowess with a weapon. Read the full story on DailyMail.com. #news #wisconsin #crime #breakingnews #truecrime