Easy to smuggle ingredients and assemble anywhere
= = =
I’ve seen the movies.
Protagonist meaningfully moves through a convenience store, picking up a little xxx, a little yyy, etc.
Then goes back to ‘safe house’ and brews up a nuke equivalent substance.
My only experience is Jalapeno hot sauce plus Habanero hot sauce ...
The nuke is in the middle of the night.
Actually an interesting coincidence
The UK spy thriller show “ Strike Back” featured an episode on 31 Jan where an evil terrorist made novichok in an abandoned meth lab in Ukraine