Because the FBI wanted nothing to do with him.
Yeah no kidding Sherlock, he was a nutcase.
As for your other eyewitness Carolyn Walther, she was a nutcase too, her floor guess was either the 4th or 5th floor, yeah the 4th floor with all the ladies or the 5th floor the one with the black fella's? Hahaha!
And on your linked page you say Brennan got the floor wrong too, but Brennan's first day affidavit describes the 2nd floor from the top, the 6th floor! Doh!
I take this building across the street to be about 7 stories anyway in the east endof [sic] the building and the second row of windows from the top I saw a man in this window.https://www.jfk-assassination.net/russ/testimony/brennan1.htmAnd in case you missed my previous post;
"The page you linked to is full of misinformation and total garbage. Whoever wrote it, is a crackpot!"JohnM