https://www.noted.co.nz/culture/culture-books/100-best-books-of-2019-listener

Books of the Year 2019

https://www.washingtonpost.com/outlook/a-20-year-search-for-the-truth-behind-the-manson-family-murders/2019/08/01/db355496-92d1-11e9-aadb-74e6b2b46f6a_story.html?utm_term=.4eae0f3df0ac

https://www.latimes.com/books/la-ca-jc-review-chaos-charles-manson-dan-piepenbring-20190711-story.html

RS Recommends: ‘Chaos: Charles Manson, the CIA and the Secret History of the Sixties’

https://www.theguardian.com/books/2019/jul/07/chaos-charles-manson-cia-secret-history-sixties-tom-oneill-dan-piepenbring-review?CMP=Share_iOSApp_Other

https://nbmagazine.co.uk/chaos-charles-manson-the-cia-and-the-secret-history-of-the-sixties-by-tom-oneill/

Tell Us, Tell Us, Tell Us the Answer

CHAOS: Charles Manson, the CIA and the Secret History of the Sixties by Tom O’Neill with Dan Piepenbring

https://www.publishersweekly.com/9780316477550

https://www.bookforum.com/print/2602/a-conspiracy-laden-account-of-the-manson-murders-21984

https://thequietus.com/articles/27107-tom-o-neill-chaos-charles-manson-cia-mkultra-review

View at Medium.com

https://www.barnesandnoble.com/w/chaos-tom-oneill/1129822092#/ (scroll down to “editorial reviews”)