British reporter got anonymous phone call just 25 minutes before JFK murder

It's not an exaggeration to say that the assassination of John F. Kennedy in Dallas on 22 November 1963 is the mother of all conspiracy theories. 

SEE ALSO: Trump releases more JFK files, but some are frustratingly impossible to read

So even small events that preceded the murder, contained in the fresh batch of JFK files just published on the U.S. government's site, take a sinister, prescient light. 

A memo from the C.I.A.'s deputy director (Plans), James Angleton, refers to an anonymous phone call that senior reporter from local paper the Cambridge Evening News, received just 25 minutes before the president was shot. 

According to the British security service, MI-5, says the caller "said only that the Cambridge News reporter should call the American embassy in London for some big news and then hung up."

Really strange, isn't it? 

Here's the whole memo if you want to plunge deep down into the conspiracy hole:  

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