before are absolutely unlawful. we believe and don't conform to international law. >> russia is promising yet unnamed retaliatory sanctions of its own, ult may times against russia are useless. it asks the u.s. to make public any evidence that russia is responsible for the poisoning. the u.s. won't do that, citing classified information. the chairman of the house intelligence committee says the sanctions send an important message. the last time we engaged on this was when kim jong-un had his own half-brother assassinated with a nerve agent. if you recall, this law, this 91 law, was used to put additional sanction sanctions on north korea. those sanctions ales with as sanctions passed in congress, and i was the author of that legislation, helped bring north korea to the table.