The author does not state how he knows he is on the MAL. It’s an important part of the story. If he doesn’t actually know, it’s more than possible it is random.
"I engaged Marque Lawyers to formalize the documentation trail and establish a formal record of governmental non-responsiveness. ... FOIA process ... What did we discover in the documents that were finally released? I am on the Movement Alert List and according to this documentation, none of the searches discovered anything of interest to the ABF."