Time Distance Analysis Shows ONE SHOOTER after adjusting for Mic Movement--but NOT the Shot Location

This is Greg Nichols on YT (not THAT Greg)
Here is his other vid were he correctly measured Shot 8 before Higgins' report
https://rumble.com/v5b4xyd-time-difference-analysis-puts-shooter-on-agr6countersniper-nw-of-comparator.html

He seems to place the shots at AGR but needs the variable of one shot origin to see the others. SO it could be on the roof or in a window. Nichols diagrams both.