dui enforcement

Across the country, traffic deaths are spiking. Vox’s Marin Cogan tells the tragic story of one grisly crash in Washington, DC, and we ask whether changes to traffic policing could be partly to blame. This episode was produced by Miles Bryan, edited by Miranda Kennedy, fact-checked by Serena Solin and Amanda Lewellyn, engineered by Patrick Boyd and David Herman, and hosted by Noel King. 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

Breathalyzers work on a simple principle: Alcohol is absorbed into the lungs and present in breath. But the machines that actually measure this alcohol level are really, really complicated. Tune in and learn more in this podcast.

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