Nashville school shooter carefully plotted attack that killed six, say police

• Three children and three adults killed in attack
• Police killed attacker, 28, a former student
• Biden repeats his call for meaningful gun control reform

A former student killed three children and three adults at a Christian elementary school in Nashville on Monday, armed with two assault-style" weapons and a handgun after elaborately planning the massacre by drawing a detailed map and conducting surveillance of the building, police said.

Nashville chief of police John Drake told NBC News the shooter had planned to attack several different places, saying a manifesto belonging to the suspect indicates that there was going to be shootings at multiple locations, and the school was one of them".