User blog comment:ScoobycoolDoo/Who's the mole?/@comment-3061966-20111122031456/@comment-1038387-20111122082656

It's not "shady" ties. They're sisters (or half-sister, if you count my theory). Issues #7 and #8 pretty much rule her out. It's been mentioned before, she can only be the mole if she's a double agent for Bats.