On Monday, March 28, a shooter opened fire at the Covenant School in Nashville, Tennessee, killing six people - three 9-year-old children, Hallie Scruggs, William Kinney, and Evelyn Dieckhaus; and three adults, 60-year-old Katherine Koonce, the head of school; 61-year-old Mike Hill, the school custodian; and 61-year-old Cynthia Peak.