>> No, they are certainly not “impossibly close” <<
They certainly are if they’re from one gun; if they’re from several, there’s no such thing as impossibly close.
>> How did TMZ end up with a clear view of the killer? <<
What I mean is why did someone do a better job at seeing a killer than the secret service did!
Well, these days the SS thinks their job is to model sunglasses and crew cuts.