In many school shootings, the person who pulled the trigger — often a current or former student — is the only one blamed for the crime. But the arrest last week of a mother, whose 6-year-old son shot his teacher, and a related investigation of school employees shows how parents and educators are facing increasing scrutiny over any responsibility they may bear.
While national statistics are hard to come by, at least seven criminal cases against parents have been filed in the last eight years after a child brought a gun to school and it was fired, intentionally or not.
