Lots Of Kids Are Loners, But When Does Social Disconnection Signal Danger?

Many people who knew Adam Lanza said he was awkward, withdrawn and socially isolated. It's a common description of mass shooters, but it also describes countless numbers of young people, most of whom grow out of their shyness and go on to lead normal lives.

By WILLIAM WEIR, bweir@courant.com

December 19, 2012