of state and starts to distance herself from president obama. and why are some people calling the grammys racist? let's go "outfront." good evening, everyone. thanks so much for joining us. i'm don lemon in for erin burnett. tonight, what made a maryland teenager open fire at a mall this weekend terrorizing employees and customers? we're learning more tonight about 19-year-old darion aguilar who shot and killed two employees at a skateboard shop before turning the gun on himself. his mother calls him a gentle, sweet kid but police say aguilar's journal expressed general unhappiness with his life. the gun shop where aguilar purchased the gun tells cnn that the 19-year-old visited the shop twice in december. on his first visit aguilar purchased a shotgun for $430 in cash, plus two boxes of ammunition and a couple weeks later aguilar returned for another box of shotgun shells. but the big question still remains. why did he open fire in the