Blogging from the big house

Kottke points to The Fifth Nail, the blog of Joseph Duncan, who is in jail for murder and kidnapping. On his site, Duncan writes, "So, I've been accused of molesting a little boy. Those close to me know I didn't do it of course, how could I, I'm not even a pedophile. Well, I'm not a psychopath either, I feel the full force and pain of everyone I have ever hurt, but that doesn't stop me from doing what I need to do. Ultimately my feelings don't matter, I learned that in prison. I have to carry out my orders or a lot worse than just me dying could happen."

Presumably he's using that "so" not as in, "So, I went to the store today," but in some other linguistic manner I can't begin to comprehend.