[mlo]

"Those officers understood the huge importance of the Tueller Drill in their training."

The Tueller Drill assumes a holstered weapon. There were multiple officers here with their guns ready. They could have fired at the first sign of forward movement. I also note that they kept firing after he was on the ground.

[kiryandil]

The Tueller Drill assumes a holstered weapon.

So, what you're saying is that "the Tueller Drill assumes a holstered weapon", and that the confronters had UNHOLSTERED weapons, meaning the Tueller Drill doesn't even apply.

Rather, the "Pull The Trigger Till The Punk Is Dead Drill" applies...