[She shakes her head, a brief, quick motion.] That part's not so important. He isn't working for Vulcanus any more. I can't be sure that everything he remembers is what really happened, but I'm sure that he wasn't trying to trick me.

The important part is, after Vulcanus got into trouble here for the things they were doing, they started trying to look in other worlds for recruits, and for sources of power for new Meta-Men. He said they were especially interested in memory manipulation abilities.