Where in the school building was Dave Sanders shot?

In my reading about Columbine, I've come across different stories about where the teacher Dave Sanders was shot. "In a hallway on the second floor" seems to be the only thing some of the stories have in common.
I know he was shot twice in the back and one of the shots clipped a major blood vessel in his shoulder. Also, the lead investigator said that they are still not certain whether Harris or Klebold did it.
You watch the cafeteria surveillance video and wonder how this man getting close to 50 was better than the Uvalde SWAT team.
Many thanks.

End of the hallway in front of the library:

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For what it's worth, Dave was only aware of guns and maybe pipe bombs while the cops seem to be aware of time and trip bombs.

cakeman wrote:

End of the hallway in front of the library:

[You must be registered and logged in to see this image.]

For what it's worth, Dave was only aware of guns and maybe pipe bombs while the cops seem to be aware of time and trip bombs.

Thanks! I'd not seen this map before.

cakeman wrote:

End of the hallway in front of the library:

[You must be registered and logged in to see this image.]

For what it's worth, Dave was only aware of guns and maybe pipe bombs while the cops seem to be aware of time and trip bombs.

Forgive me if this is already known but who is the green dot in that image?

Miista wrote:

Forgive me if this is already known but who is the green dot in that image?

Elisha Encinias