I haven't seen any evidence in this thread that the two accounts were used to cheat campaigns/bounties, or were otherwise engaged in shady behavior.  OP just had sharp eyes and caught the mistake that was made that gave RapTarX away.  I'm pretty sure the two accounts are linked and I bet RapTarX wishes he hadn't been caught, but I don't see any reason for either account to get tagged. 

A lot of members have alt accounts, and there's nothing inherently wrong with that as long as they're not using the accounts to cheat.  RapTarX is a decent member as far as I know, and I've been trying to help him rank up by meriting his posts--and I don't think there have been any other accusations leveled against him or the other account, so I don't know what the big deal is here.