"Well, if they aren't causing trouble why aren't they working openly with the Ministry?" Zacharias didn't particularly like or trust the Ministry that much more, but he would much rather all of his idiocy be combined into one place on the off chance they might actually have a good idea. "Also, I'm sure you remember their show at the school in 1997 and 98."
He had known about them then, but that year he hadn't said anything. Zacharias had kept their secret because they provided some sort of hope even as they destroyed and cause more trouble for themselves. "It just seems rather odd that a group that has access to key departments in the Ministry would feel the need to operate secretly. I mean I'm sure that some of those involved with the Death Eaters weren't looking to cause trouble at the start and look what happened there."
He didn't pause, didn't care that Mr Greengrass was sent to Azkaban for his part in the war. If anything that just made his point better. It also was Zacharias Smith as he always was.