An undercover female guard took the sociopath down with her gun in the Colorado shootings. He still managed to kill two people in the church, but it would have been more, no doubt, had he not been stopped.
UPDATE: Well, my impression was that the "undercover" woman was actually a plain-clothes security guard. Turns out that she was just an attending church member with a CCW permit.
Directly from the head pastor at New Life Church, the “security guard” who stopped the shooting was an unpaid volunteer, not a police officer, and “used a personal weapon.” The CNN link confirms the information I just received in an email from a source at New Life Church.The killer "hated Christians".
So the facts are now that a concerned, armed citizen, acted to in defense of the lives of others and risked her own life by moving rapidly to the shots and engaging the gunman. This woman is truly a hero, and deserves the highest congratulations we can offer.
The press needs to get this shooting right, for once. There are benefits to carrying a concealed gun, legally. The bad guys always conceal theirs.
H/T Glenn Reynolds