Security was heightened at all Douglas County schools on Friday following a horrific shooting in Connecticut that morning.
"We've just asked employees to have a heightened level of awareness," Superintendent Lisa Noonan said Friday afternoon. "Certainly our hearts go out to everyone in that community, and our prayers go out to those families who have been most tragically touched by this."
Early Friday morning, a 20-year-old gunman entered Sandy Hook Elementary School in Newtown, Conn., and killed 27 people, including 20 small children, his mother and himself.
Noonan said it's daunting for any parent to discuss such a tragedy with …