Parental Accountability in School Shootings?

The Center for Regulatory Effectiveness (CRE) has followed the regulatory implications of school shootings for years. In a nutshell our attention has been given to the corrective actions recommended or implemented after each tragedy. The common remedy is more regulation of our schools, ranging from hiring extra guards to installing metal detectors.

The question we raise is what alternatives are there to additional regulation, such as, holding parents accountable for the actions of their children?