If Lamos's story were consistent, would you be any more likely to believe it? If not, then you already have sufficient evidence that Lamos can't be trusted and

If Lamos's story were consistent, would you be any more likely to believe it? If not, then you already have sufficient evidence that Lamos can't be trusted and you can just point to that. Evidence can't be important if, after learning it, you believe the exact same things.