Call them Witness A,B,C,D, etc. Examinine them in profile. There is no sensible reason not to get their report of what happened. Methods can be used to protect them. They are eye witnesses to that debauch and murder...and if the President was a coconspirator in their murders the American people need to know about it.
For at least 5 decades, the rats have had no problem iding intel people, and then letting the rat mediots know who they are.
Then, the media, the mediots work for, identifies them in a newspaper, magazine, tv or a radio talk show or all of the above.