An interview by a man who described the 3 shots, the first a miss, the second a hit and the third to his head as he fell forward....and where they came from...all from the same spot...
And why do you choose to believe that one man who is in opposition to countless others? He was probably a CIA operative.
Now, as for watching TV and assessing correctly, that was entirely possible with the Butler attempted assassination. It was for all the world to see.