Russians literally did this during the Moscow Theater Crisis - they aerosolized Carfentanyl and Remifentanil into the vent system! https://en.wikipedia.org/wik

Russians literally did this during the Moscow Theater Crisis - they aerosolized Carfentanyl and Remifentanil into the vent system! https://en.wikipedia.org/wiki/Moscow_theater_hostage_crisis https://en.wikipedia.org/wiki/Moscow_theater_hostage_crisis