Whatever Happened To Gerald Bull's Son?

Gerald Bull was the inventor of the Super Gun and was assassinated by Mossad for his work helping Iraq build one. Supposedly, his son was so ticked off by this that he headed to Iraq to finish his father’s work. Considering what all’s happened over there of late, I’m wondering whatever happened to him. Did he bail out long before the war or was he still in country working when the US and Britain invaded?

Hmm. Perhaps I should have entitled this “Possible Iraqi WMD Expert Gone Missing” or “Iraqi Supergun Question” or “Giant Phallic Object Creator’s Offspring Missing! Is He Sleeping With Osama?”