April 24, 2004: Black Triangle Phenomena - Colm Kelleher

Colm Kelleher discusses the black triangle phenomenon based on nearly 500 sightings collected by NIDS, finding patterns along major interstate highways and population centers. Full show notes, transcript, guests, and related listening: https://artbellarchive.org/episode/april-24-2004-black-triangle-phenomena-colm-kelleher