Soon, based in London, he had an operation with more than 200 agents behind enemy lines.

CENTERFORSECURITYPOLICY: Center for Security Policy | CIA Director William Casey: His Analysis And Plain Speech Help Him Lead The Agency to the Top

It is true that during WWII the BBC had broadcast coded messages to British secret agents behind enemy lines, and that some journalists had worked with MI6 in producing propaganda.

BBC: The 'secret agents' of the UK press

So, if you have a spymaster who unwittingly relies on double agents feeding the CIA enemy disinformation rather than accurate intelligence, conclusions drawn from such data will be erroneous, possibly dangerously so.

CENTERFORSECURITYPOLICY: Garbage in, garbage out