Colum Tyrrell1 episode on Joe Rogan Experience · 1 book mentionedBooks Colum Tyrrell talked aboutWeird Scenes Inside the Canyon: Laurel Canyon, Covert Ops & the Dark Heart of the Hippie DreamWeird Scenes Inside the Canyon: Laurel Canyon, Covert Ops & the Dark Heart of the Hippie DreamDave McGowan1 episodeEpisodes#2572 - Colum Tyrrell · 2026-10-29 · Joe Rogan ExperienceWeird Scenes Inside the Canyon by David McGowan