US officials are sending the “Merchant of Death” — a notorious arms dealer named Viktor Bout — back to Russia in exchange for the WNBA star’s release. We revisit our conversation with author Douglas Farah, author of “Merchant of Death: Money, Guns, Planes, and the Man Who Makes War Possible.” This episode was produced by Hady Mawajdeh, edited by Matt Collette, fact-checked by Laura Bullard, engineered by Paul Mounsey, and hosted by Sean Rameswaram. Transcript at vox.com/todayexplained   Support Today, Explained by making a financial contribution to Vox! bit.ly/givepodcasts Learn more about your ad choices. Visit podcastchoices.com/adchoices