You are an agent of the Millenium Group, who has spent the past several years infiltrating the shadowy organization known as Those in Black.  It's been tough convincing them that you are one of them, but you seem to have succeeded, and learned much of their supposed history.  You don't know if you actually believe this stuff about ancient Lemuria, but it would certainly explain some things.

You are keeping an eye on the situation, but staying in your cover identity for now.  If it looks like the Group needs your information, you will need to contact them.  This must be done subtly, though -- if Those in Black found out that you were a spy, they would surely kill you...