the bullet, police say, went through the backpack and hit 8-year-old amena bowman in the abdomen. >> she will pull through. we have all our family praying and pray for her. that is all i need. >> reporter: her grandmother said when she first heard there had been a shooting at the school she immediately called her daughter who was already on the way to pick up amena. >> she was on her way to pick her up from school because they had a half day today. and then she called me five minutes later and told me she was shot, that my granddaughter was shot. she was the one that was shot. >> reporter: she was air lifted to a seattle hospital about 20 miles away where she underwent surgery. >> she arrived a little before 3:00 and within five minutes was wheeled down to surgery to do some exploration and repair if needed of her injury. >> reporter: police say the third grader who brought the gun to school is now at a juvenile detention center held on charges of unlawful possession of a firearm and bringing a dangerous weapon on to school grounds. >> that's news 4 at 4:00. news 4 at 5:00 starts rig

a life saving decision because it was that blood that saved his sister dying from sickle cell amena. she learned her baby had sickle cell anemia. >> the most severe time and she'll live a hard life and some physicians predicted she may not live past ten years. >> reporter: for the next six years, carol dealt with pain. >> the pain in my head was like a punch and my stomach it was like a kick. my heartfe felt like a squeeze. >> reporter: pain so severe she couldn't attend school. >> she was getting mini strokes. she was sick. >> reporter: that's when carol says her younger brother, mark, saved her life. she was born two years after carol and his parents banked his umbilical cord blood. the registry collected and stored the stem cells in the blood as part of a new program called newborn possibilities. when carol turned 7, she received a stem cell transplant using mark's banked cells. >> once the stem cells are in the patient's body, they reproduce the blood and immune system so we replace the sickle cell blood system with the blood system from a healthy donor. >> the treatment worked.

eight-year-old amena coarsa bowman was hit when a gun wept off inside another student's back pack the bullet went through her arm and into her abdomen. doctors say she has significant organ damage and will require several more surgeries. >> you tell anybody -- anybody who has kids you know, knows that -- i mean you -- you would do anything to take away the pain that she is feeling right now. >> police say the nine-year-old got the gun from his mother's house and they believe it belongs to her boyfriend, a juvenile judge will determine if he will face judges. >>> police have a man in custody posing as a police officer, even using a phoney police cruiser, now they want to know who he may have fooled. kai jackson has the story. >> reporter: baltimore county police say 59-year-old derek cropolis have been impersonating a cop. arrested when the county officer encountered him. he became suspicious when he got out of this phone phoney police car wearing a uniform. >> he gets out of the car wearing a uniform, the car is equipped with lights and sirens, a video monitoring system and other poli