Special Report: 6 Nashville school shooting victims identified

A 28-year-old female shooter who identified as transgender killed three children and three adults Monday at a private Christian school in Nashville, Tennessee, police said. The three children were all 9 years old, and the three adults worked at the school. Norah O'Donnell anchors a CBS News Special Report with reporting and analysis from Jeff Pegues and retired FBI Special Agent Katherine Schweit.