In 1992, David Wood became El Paso’s most notorious convicted serial killer. He has been on death row ever since. More than 30 years later, his lawyers have just a few months  to argue his innocence and stop his execution. 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. Have a story pitch, a tip, or feedback on our shows? Email us at [email protected] Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.