...but apparently he's also a hack.

A good hack, mind you.

I followed this a bit to the original "Lying In The Gutters" article that started this, and this lead to Byrne's website, so I went back there. Here's some example pages from the thread regarding Mack:
http://www.byrnerobotics.com/forum/forum_posts.asp?TID=23752&PN=1&TPN=22
http://www.byrnerobotics.com/forum/forum_posts.asp?TID=23752&PN=1&TPN=26

To clarify:

That 'lead' should be 'led.'

And the thread wasn't solely regarding Mack, but those pages from the thread do.