You are copying and pasting from 'wikipedia' which is not an official source and which can be edited and appended by sources that are hell-bent to push the Russian-Collusion Hoax.
If you are truly interested in the backstory about Gen. Flynn, start first by self-educating about his new lawyer Sydney Powell linked here:
As you know, or should know, the Wikipedia excerpts are *footnoted*, one of the more important ones to the transcript of a White House press conference statement.
Michael Flynn was/is a life-long DEMOCRAT and Obama appointee. These two facts alone should raise very serious red flags about who he is, especially considering how far left the party has shifted in recent years.