The Sandy Hook massacre was considered a watershed moment in the national debate on gun control, but the body count at the hands of gun violence has only increased. Through the lens of the victims' families, as well as pro-gun advocates, we examine why our politicians have failed to act. World Premiere喜欢追剧的朋友，请记住《枪口之下》的观看地址：https://www.7xiady.cc/detail/24601/并分享给好友！