Thanks for the help, but I have a very substantial amount of information about him already.  Again, I still won't call this a scam yet, until the actual fraud is proven.  There are a ton of addresses associated with his real name.  There are couple of possibilities as to where he's actually living right now, and hopefully I'll know for sure in the next week or two.  I have someone hired to confirm his real mailing address.  Hopefully "Rowan" won't use his decade of experience working as the CIA's Director of Korean Field Operations to evade him.  (Yes, he actually claims this.)

His claim about being in the Navy I've verified as untrue, at least under his current or previous name/aliases.  Fun fact - he's licensed to sell cemetery plots.  Maybe this was useful back in his CIA days, to help make bodies disappear?