Shamar Elkins shot and killed eight young children, most of them his own on Sunday. His family says the 31-year-old recently sought mental health treatment through Veterans Affairs. NBC News’ Ryan Chandler reports from Shreveport.

Shamar Elkins shot and killed eight young children, most of them his own on Sunday. His family says the 31-year-old recently sought mental health treatment through Veterans Affairs. NBC News’ Ryan Chandler reports from Shreveport.