Like one of those clickbait ads that goes on and on for a half hour about how this method will cure this or that only to end up saying to buy this book to find out after wasting 30 minutes of your life.
It was 100% innuendo and slander with not even a hint of eveidence to support the claims
Look at the documents to which the author links. There is more here: https://www.americanthinker.com/blog/2018/08/wapo_calls_facts_of_vince_foster_and_kavanaugh_newsworthy_then_distorts_and_omits_facts.html
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Read "The Strange Death of Vince Foster" and learn something.