Capitol Police Chief Kim C. Dine testified Wednesday before the House Administration Committee on security at the U.S. Capitol. Dine’s appearance followed a CQ Roll Call report earlier this month that Capitol Police have, on multiple occasions, left loaded firearms unattended around the Capitol campus. You can watch the whole hearing below. The 114th: CQ Roll Call's Guide to the New Congress Get breaking news alerts and more from Roll Call in your inbox or on your iPhone.