Heather Gooze, Las Vegas shooting witness, cries as she testifies during a Senate Judiciary Committee hearing on Capitol Hill in Washington, Wednesday, Dec. 6, 2017, entitled: “Firearm Accessory R …

Heather Gooze, Las Vegas shooting witness, cries as she testifies during a Senate Judiciary Committee hearing on Capitol Hill in Washington, Wednesday, Dec. 6, 2017, entitled: “Firearm Accessory Regulation and Enforcing Federal and State Reporting to the National Instant Criminal Background Check System (NICS).” (Carolyn Kaster/AP)