November 22 is the 60th anniversary of the assasination of US President John F Kennedy and there are still multiple theories and conspiracies as to who killed him and why.

In this episode of Global Truths, Dr Keith Suter discusses Lee Harvey Oswald and his motivations - and the "magic bullet" theory.  

Many are unaware the term 'conspiracy theory' actually comes from the inquiry into Kennedy's death. 

So who killed Kennedy?  And why?

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