Hank Asher was a lot of things: a Florida condo maven, a drug runner, a DEA informant—and a tech visionary who created the mixed blessing of turning everyone’s online activity into an unshakable shadow profile.

Guest: McKenzie Funk, reporter for Pro Publica and the author of The Hank Show

If you enjoy this show, please consider signing up for Slate Plus. Slate Plus members get benefits like zero ads on any Slate podcast, bonus episodes of shows like Slow Burn and Dear Prudence—and you’ll be supporting the work we do here on What Next TBD. Sign up now at slate.com/whatnextplus to help support our work.

Learn more about your ad choices. Visit megaphone.fm/adchoices