At long last, after many (many) requests from Joe, we are at last descending down the rabbit hole that is the JFK assassination and the many (many) conspiracy theories that surround it.

On the 60th anniversary of the murder of US President John F. Kennedy, we set out to understand why even today it remains the grandest of all conspiracy theories and a story that holds a seemingly infinite fascination for millions around the world.

Why, after six decades, are so many people still so obsessed with the questions that linger around what happened that afternoon at Dealey Plaza? Is there any merit to the many, many conspiracy theories, and will the final truth ever be known?

In this first part (of four) we look at the events of November 22nd, 1963,when one moment in Texas changed the world forever.