There are just 15 vaquita porpoises left in the Gulf of California, and in just a few months, that number could plummet to zero. The earth’s most endangered whale has become a victim not only of the usual environmental suspects, but, due to the fact that its habitat in the Sea of Cortez is also home to the totoaba, a valuable fish, it has been caught up in none other than the drug trade.

This week’s “Scheer Intelligence” guest, Austrian filmmaker Richard Ladkani, recorded the shocking and dangerous story of the activists, scientists and journalists risking their lives to save the rare whale in his documentary “Sea of Shadows.”

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