were killed there, and also in australia, after they had a massive shooting, they impose limits and to reduce the easy availability, easy access to guns. you don't buy that at all? >> greg: it didn't work. let's check out australia, the illegal gun market is unbelievable, and they make their own guns. >> juan: they haven't had another kind of massive shooting. >> greg: but there gun crime has gone up. and in england, when they had to their buyback, they only had one year in which homicides went down. dana, let's get you in here. >> dana: especially in america, we like to think that we can legislate things away. and there is nothing that the government can do to make people do the right thing. this actually goes much deeper than that, and part of the thing about people saying if you see something, say something. we have seen this time and again with many of these other cases, the neighbors in the san bernardino case. they said we didn't want to say