school shooting in newtown, connecticut. this 24-hour, live shopping in thework reporter: and coming in january, gun tv. a specialty channel dedicated to firearms. one study suggests there could be fewer mass shooting casualties if more people were armed. a small portion of concealed carry can cut down casualties by 5% to 15%. reporter: but in october s oregon college shooting, some people were armed and ten people died. the gun lobby wants us to believe that more guns is the solution to this problem. if that were true, given that there are over 300 million guns in this country, we d be the safest nation in the developed world. the reality is, americans are 20 times more likely to be murdered by a gun than in any other country. that was nbc s kevin tibbles reporting. attorney general loretta lynch says the justice department is monitoring the anti-muslim rhetoric that has emerged following last week s