See post 12.
That source says before.
Before or after - I do not know. But if Watkins is correct, then there was an accomplice to this shooting. One who did the uploading to 8chan.
Really? Thats the best we can come up with here? Someone else saw it, and then posted it to 8chan, simple as that. Sometimes, FR makes me cringe so hard, I can barely read it.