FENTANYL CAN BE MADE INTO A GAS WEAPON
Fentanyl can be aerosolized.
https://en.wikipedia.org/wiki/Kolokol-1
>Kolokol-1 is a synthetic opioid developed for use as an aerosolizable incapacitating agent. The exact chemical structure has not yet been revealed by the Russian government. It was originally thought by some sources to be a derivative of the potent opioid fentanyl, most probably 3-methylfentanyl dissolved in an inhalational anaesthetic as an organic solvent.
>… independent analysis of residues on the Barricade Theater hostage crisis hostages' clothing or in one hostage's urine found no fentanyl or 3-methyl fentanyl…They concluded that the agent used in the Barricade Theater hostage rescue contained two fentanyl derivatives much stronger than fentanyl itself, sprayed in an aerosol mist.
https://en.wikipedia.org/wiki/Moscow_hostage_crisis_chemical_agent
https://www.foxnews.com/story/gas-russia-used-in-hostage-siege-was-fentanyl-u-s-officials-say
https://www.history.com/news/opioid-chemical-weapons-moscow-theater-hostage-crisis
THE FENTANYL WAS A PRECURSOR
THEY WANTED TO MAKE SOMETHING WORSE
OPIOID CHEMICAL WEAPONS
THIS IS WHY THEY NEEDED THAT MUCH