Affirming the Consequent: any argument of the form: If A then B, B, therefore A 
Denying the Antecedent: any argument of the form: If A then B, Not A, thus Not B 
Inconsistency: asserting that contrary or contradictory statements are both true 

You can't trust scientific knowledge if scientists fudge.  Newton fudged. Therefore, ...

It doesn't follow that if some scientists fudge data all scientific knowledge is untrustworthy.