Hello.
At the end of the mission HL17-36, we can jump into a gun turret.
From this spot you can see all the spawns.
Steps to Reproduce:
At the end of the mission.
Jump on the last barricad before the extract area.
Jump on the closest turret of the extract area.
I did with a veteran.
Steam ID : 7196314
Reproduction Rate:
Constant (100%)