“Gushing blood” was caused by the blood bag the “medic” planted - these are commonly used in movies to simulate gunshot wounds - if you look closely in the 21 minute video, you can see the planting.
Which guy in the video was this FReeper? If he will not say, then is not to be believed.
This is what I have to say concerning it...
If you ask 10 different witnesses as to what they saw - you will get 12 different answers.