12. Prison Vent

A journalist (Jon Walczak) receives 32 new photos of 9/11 from a camera found in the rubble of the World Trade Center — and uses clues in each frame to ID the photographer. Stream the new film "32 Frames: A 9/11 Mystery" on Apple, Amazon, or YouTube. For more information, go to 32frames.com. See omnystudio.com/listener for privacy information.

In 2001, Robert Fisher killed his family, blew up their suburban home, and vanished in a remote Arizona forest. Did he die — or escape? Listen here or on the iHeartRadio app. See omnystudio.com/listener for privacy information.

A young doctor disappears in New York City on the eve of 9/11.

We locate the first known photos of N1812H.

An icy ending seems less likely as new details surface.