including what appears to be a nick/hole in T shirt collar. The wound is entry, not exit. A straight line (slightly tilted downward) goes directly to the palm pistol brown plaid shirt killer. Who is also a security team member. Frame three shows shirt puffed up when bullet encountered the shirt collar. Frame seven shows hole/nick. Shot could only have come from a lower aim, not from a rooftop. Links:

https://rense.com/general98/Palm-Pistol-demo.php

https://rense.com/general98/7-consecutive-frames.php