Call me crazy, but I believe that our right to be free from mass murdering ass holes over-rides a person's right to be a mass murdering asshole.
I agree that there are certain risks that come with a society as free as ours, but I would call this undue risk.
I took an oath one time and there was this little part in there where I swore to protect this country and The Constitution from, "enemies, foreign and domestic". This cat qualifies as a domestic enemy to the security and safety of our nation.
Matthew 10:34Think not that I am come to send peace on earth: I came not to send peace, but a sword.