John Buettner-Janusch was one of the first Americans to study lemurs. He held prestigious faculty positions at Yale, Duke and NYU, before surprising everyone with a series of increasingly bizarre crimes.

Phoebe and Lauren got to visit the Duke Lemur Center in person – hear all about it in our latest episode of Criminal Plus. Use the promo code “JOINUS” for 20% off an annual membership. You’ll get behind-the-scenes bonus episodes of Criminal, ad-free listening of all of our shows, special merch deals, and more.

Peter Kobel’s book is The Strange Case of the Mad Professor.

This episode was first released in 2019.

Say hello on Facebook, Instagram and TikTok. Sign up for our occasional newsletter. Follow the show and review us on Apple Podcasts.

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