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> A civilian could easily buy a small fleet of drones, equip them with small IEDs or sarin gas, and fly them into otherwise secured areas with large crowds.

Easy? Is sarin gas freely available at big-box retailers?



Don't underestimate hackers. The internet is supercharging hobbyist hackers in many domains, including electronics, chemistry and bioengineering.

I doubt the precursors to nerve gases(the worst ones, anyway) are readily available, but they are probably a handful of undergrad-level reactions away from easily available chemicals.


> but they are probably a handful of undergrad-level reactions away from easily available chemicals.

It's a bit further than that, and all of the intermediate chemistry is toxic.


the synthetic precursors are.


Which?

All of the weaponized forms involve some pretty nasty flourinated precursor chemicals which themselves are quite toxic -- and controlled.


all of them. if you understand chemistry; nasty, quite toxic, and controlled are not barriers.

e.g. isopropyl alcohol.




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