David Cicilline actually said...

Gun violence is now the leading cause of death in children and teens in this country.

the presence of a firearm makes an abuser five times more likely to take a partner's life than if no firearm was present.

Would it endanger the lives of the American people if we were to second-guess agency decisionmaking?

Agencies need those regulations to then carry out their work, whether that's investigatory work or enforcement work.