Viktor Bout might be the most successful arms dealer in history. The US could let him go free if Russia releases the WNBA star, who was just sentenced to nine years in prison. Bout’s biographer, Douglas Farah, explains. 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