Onion
Onion asked Dave Cullen:

Who did you actually interview in your book about Columbine ?

Dave Cullen There's a Notes section in the back. It runs 20-30 pages. (I can't recall for sure: it's been 20 years now.) I also can't recall whether I listed every major interview back there, but I hit the high points, for sure. And I think I probably summarized. I spoke to literally hundreds of kids in Clement Park that first week alone, and then many more students parents, etc along the way. I imagine I said that in the intro part of the Notes, but I'm traveling and don't have the book in front of me. I definitely didn't attempt to compile a list of all of those.

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