This has already been posted: http://news.ycombinator.com/item?id=1052565 http://news.ycombinator.com/item?id=1051392

This article deserves to be upvoted in its own right. It's a nice detective story. (You deserve to be upvoted, too because you provided valuable information.)

Thanks. I haven't been on HN as much recently and missed the original posts.