User blog comment:Theory of everything/Grimm Speculations Part One: Sean Renard/@comment-69.141.171.36-20120427221841

There's no way the Captain is a Vessen... Nick hasn't seen him turn once.. I think the captain is a Grimm, seems he can see other Vessen and other Vessen fear the Captain as well, just as others fear Nick. I feel the Captain is a corrupt Grimm. The Verrat's "inside" man