Originally Posted by Cassirin

"I think we've found the direction I was aiming toward," Tate smiled as the girls offered similar suggestions. "While I admire the logic and reasoning many of you used to consider where Slytherin went next, and I think it WOULD be logical to assume that where one school failed, he might try another, we have the ability to track his actual movements once he departed from this halls."

Tate considered for a moment before continuing, "Following this expulsion, so to speak, Slytherin began to gather to himself those who were likeminded. He may have happened upon a few members of a group already in existance... their history is spotty, but what we DO know is that he became the rallying point for those interested in protecting the Wizarding world from Muggle dangers. Consider those clues... the time period, their mission. Can anyone think what that group might have been?"