The Russians tried that when they had a hostage crisis [0]. It did not go well. Out of 850 hostages, up to 130 of them died due to the effects of the knockout g

The Russians tried that when they had a hostage crisis [0]. It did not go well. Out of 850 hostages, up to 130 of them died due to the effects of the knockout gas. There's a reason why when you have medical surgery, you are knocked out by a highly trained specialist whose sole job during the entire procedure is to monitor your health and make sure you are responding in exactly the right way to the knockout drugs. [0] https://en.wikipedia.org/wiki/Moscow_theater_hostage_crisis https://en.wikipedia.org/wiki/Moscow_theater_hostage_crisis