Mastermind can be a noun or a verb
Noun: A person of outstanding intelect an eminent musical mastermind
Verb: to plan a difficult activity, often a crime, in detail and mak certain that if happens successfully he is believed to be the mastermind of the attacks
Another verb definition: plan and direct, an ingenious or complex scheme or enterprise he was accused of masterminding a vote stealing racket
What’s truly sad is that people will defend working through life-threatening conditions and just think of it as American Exceptionalism.