His major contention is that (in 2002 following the suicide of his wife) he was visited by the police, beaten up and accused of her murder - a classic covert setup job, ed - after which he fled to Argentina. For further illustration of how the Covert Secret Services treat their own, one only need look into the cases of GCHQ-hacker Gareth Williams or FBI-hacker Michael Riconosciutto.
What specific 9/11-footage did Kurt film that has endangered his life so that he's still a political refugee living in Argentina?