Adnan once issued a challenge to Sarah. He told her to test the state’s timeline of the murder by driving from Woodlawn High School to Best Buy in 21 minutes. It can’t be done, he said. So Sarah and Dana take up the challenge, and raise him one: They try to recreate the entire route that Jay said he and Adnan took on January 13th, 1999.  [http://feeds.feedburner.com/~r/serialpodcast/~4/_4nNtTjgZI4] Our newest podcast, “The Preventionist” is out now. Search for it wherever you get your podcasts. To get full access to this and other Serial Productions and New York Times podcasts on Apple Podcasts and Spotify, subscribe at nytimes.com/podcasts [https://nytimes.com/podcasts]. To find out about new shows from Serial Productions, and get a look behind the scenes, sign up for our newsletter at nytimes.com/serialnewsletter. [https://www.nytimes.com/newsletters/serial] Have a story pitch, a tip, or feedback on our shows? Email us at serialshows@nytimes.com  Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com [https://pcm.adswizz.com] for information about our collection and use of personal data for advertising.