and Crime Prevention Sec. 301. Short title. Sec. 302. Firearms trafficking. Subtitle B—Report on Effects of Gun Violence on Public Health Sec. 311. Report on effects of gun violence on public health. Sec. 312. Prohibition on certain amendments to appropriations measures. Subtitle C—Keeping Guns from High-Risk Individuals Sec. 321. Short title. Sec. 322. Firearm prohibitions applicable with respect to certain high-risk individuals. Subtitle D—Strengthening Gun Checks Act Sec. 341. Short title