He has to remind himself that the first set of retcon trials involved accidentally mucking about with Tosh's memory before he criticizes the people Faye has worked with before. But at least he's learned from the experience, and it doesn't sound like her former associates had.

"They've worked alright so far," he says, of the mice, "Though I think I've got an unofficial ban at a few places in town."

Retcon trials had been remarkably unsuccessful, those first few weeks.