> Murder is banned. He committed more than twenty murders. Why do people think that you can ban mental illness? The focus on guns as opposed to the person is similar to the TSA's focus on weapons vs. terrorists.

Of course you can't ban mental illness, however you can make it more difficult for people to access the tools that enable them to kill many people.

Guns are very much are a part of the problem. I'd also think that the culture of gun worship is also a big part of the problem.