PITTSBURGH, Pa. - How do you explain this one to your parents? A 17-year-old girl was engaging in some obviously bizarre "bedroom activities" when she was accidentally shot by her boyfriend. She was wounded in the groin when she received a bullet from the .45-caliber handgun and had to be taken to the hospital. Her boyfriend, Timothy Madden, 23, was charged with aggravated assault, reckless endangerment and corruption of a minor. The incident occurred on Sunday afternoon at Madden's apartment. "They were engaged in some bizarre activities in his bedroom," Ross senior detective and public information officer William Barrett said. "The gun, we believe, accidentally discharged."