One genuinely terrifying fact is the concept of “antibiotic resistance. Bacteria can evolve to become resistant to antibiotics, the drugs we use to treat bacterial infections.
Creutzfeldt-Jakob disease (mad cow) can lie dormant for more than 50 years, is universally fatal, and is inheritable. There is no cure.
For say, the CIA’s Operation Northwoods proposed that CIA operatives should commit acts of terrorism upon the US to blame Fidel Castro for justifying a war against Cuba. This was rejected by JFK.