The entire report is here [loooong pdf]
. It is absolutely worth sitting down and reading.
Newell is mentioned, as are all the key players up to Breuer. However, this is part 1 of 3, and it keeps its focus on the Phoenix Division for the most part. There's a lot of testimony and documentation I haven't seen before.
It runs in chronological order. While the whole thing is unsettling, Chapter 14 (subtitled "“Ugh...things will most likely get ugly”) goes into new detail on the panic over the death of Brian Terry and the start of the coverup. Newell, Voth, and Burke are implicated by their own words.