Even when they didn't agree, it was hard not to laugh. 'Thanks for the insult, but yes, I'm sure I'm not a Hufflepuff. I'm just trying to do my job.'
He ran a hand through his hair. 'Fine, I'll leave it alone then, but I want to keep the files. If more of these potions surface in investigations I don't want to be at square one again.'
Maybe he should talk with Higgs, see if there was any indication of either of these being connected to the Death Eaters.