A shooting at a Tennessee private Christian grade school left three students and three adults dead, including the head of the school, and the shooter was killed by police, authorities said. <br /><br />The victims were identified by police as Evelyn Dieckhaus, Hallie Scruggs, and William Kinney, all age 9, Cynthia Peak, 61, Katherine Koonce, 60, and 61-year-old Mike Hill. Koonce was the head of school at Covenant, according to the school's website. <br /><br />The shooter was identified as Audrey Elizabeth Hale, a Nashville resident and former student of the school who identified as transgender. Authorities say Hale was armed with three guns and left behind a manifesto.<br /><br />Nashville police said it will release more details, including video, soon.