Being The Wiki Czar, I had to put a plug out there for the wiki.  The entry for Murray Longworth, while brief, does cover this topic.  Murray is one of a hand full of characters (i.e. Donald Martin) who span several of the FDO's books.

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Ah, curse your sudden but inevitable betrayal! ~ Hoban "Wash" Washbourne -

i discorvered this without the help of the wiki, by just relistenting to the storys.

The Platypus is a Semi-Aquatic Mammal

The nine most terrifying words in the English language are, 'I'm from the government and I'm here to help.'  

- Ronald Reagan

Yes, I did.

G-Man

In my world everyone is a pony, and they all eat rainbows, and poop butterflies.

 That's actually the information I used to update the wiki.  It was the first confirmation I had seen that the two characters where indeed one in the same person.  Good work outta you G-man!

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Ah, curse your sudden but inevitable betrayal! ~ Hoban "Wash" Washbourne -

I just re-read Ancestor a couple of days ago and it just sort of dawned on me at some point as I was reading that it may be the same guy.