There is a cave in the middle of the Mojave Desert called Devil's Hole. It's home to a small iridescent blue fish, called the Devil's Hole pupfish - and you can't find them anywhere else in the world. There are fences, cameras, and motion sensors for security. In 2016, three men rammed the fences and broke in.

Did you know we have a shop on our website where you can buy things like t-shirts, water bottles, postcards - even baby onesies? And right now, we're having a summer sale. Go to thisiscriminal.com/shop and get 20% off your purchase.

Say hello on Twitter, Facebook and Instagram. Sign up for our occasional newsletter, The Accomplice. Follow the show and review us on Apple Podcasts: iTunes.com/CriminalShow.

We also make This is Love and Phoebe Reads a Mystery.

Artwork by Julienne Alexander. Check out our online shop.

Episode transcripts are posted on our website.

Learn more about your ad choices. Visit podcastchoices.com/adchoices

Get the future of podcasts.