conduct at falls squarely within 1512d, the pernicious intentionally harasses a person and therefore,suades that persom testifying in proceeding. you got cleaviation of 1512d, punishae by no more than three years in prison. when congress added 1512c2, which seems to cover that conduct. well the punishment -- you can punish that person for up to 20 years. >> there's a key difference between 1512d and c. d doesn't require the intent to obstruct. the effect of the defendant harassment action is to prevent the testimony or the production of the document. the government has not read that statute to require an actual intent to obstruct. there are certain scenarios where the government might be able to prove 1512d offense without satisfying c2. i want to be responsive to broader concern that there's smog a-- something anomalous. no matter which statute government charges under, they will be funneled through the same sentencing guidelines. the charging decision wouldn't make a difference with the extents -- sentencing range. i don't think the existence of statutory max should drive intuitions how t