From Gawker:
Sounds Awful?
Different angle, same story:
http://hinterlandgazette.com/2012/05/etowah-high-school-student-andrew-messina-killed-sniper-threatening-kill-mother.html
It’s the Moms that suffer the most. By the second account, he was perhaps a short time from committing a murder suicide and the army of cops intervened for the safety of the family. She’d have just wanted her son to be alright and couldn’t have foreseen the awful end.