User blog comment:Thedoucheinthenorth/The Civil War - Why it is great/@comment-1600847-20121031011532/@comment-1600847-20121102135752

And yet it states "... he has proven his worth as an asset." That can only mean one thing: he worked for the Thalmor. However, it states that after the Thalmor staged the Markarth Incident, he became un-cooperative and they cut him loose. He may hate them, but he did work for them at one point.