ATF director on mission to disrupt violent crime in schools

Steven M. Dettelbach, the director of the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF), joined CBS News with more on the agency's mission to disrupt violent crime. This comes after another deadly school shooting occurred in Madison, Wisconsin.

ATF director on mission to disrupt violent crime in schools
Steven M. Dettelbach, the director of the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF), joined CBS News with more on the agency's mission to disrupt violent crime. This comes after another deadly school shooting occurred in Madison, Wisconsin.