To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Share Embed Share URL Video File Node URL Embed Code <iframe title="MRC TV video player" width="640" height="360" src="https://www.mrctv.org/embed/161461" allowfullscreen></iframe> An official with the White House Office of National Drug Control Policy told the Senate Foreign Relations Committee Thursday that the number of overdose deaths from heroin has risen 340 percent from 2007 to 2014, the latest year of available data.