Shooting spree at the high school injures several students . Dr. ( Mark ) Mother of middle school student says ` ` It was total . '' Murrysville , with a population of about 20,000 , is a quiet residential neighborhood .
Shooting spree at the high school injures several students . Mother of middle school student says ` ` It was total . '' Murrysville , with a population of about 20,000 , is a quiet residential neighborhood .