Some of the documents about Lee Harvey Oswald were already scheduled to be released but they couldn't be found. I read an article the other day that explained that most likely the info released will be a mix of truth and lies to further obfuscate the truth in a way described as a 'limited hangout'. That doc was here:
https://steemit.com/dtube/@pressfortruth/trbca9gh#@steinstein/re-pressfortruth-trbca9gh-20171023t011148134z
But the absolute best source of info I've seen on the truth about the JFK assassination is from this video: (and I've watched a lot of documentaries about it)