Horse Plus Humane Society on Instagram: "🤯 The Horse Slaughter Pipeline's DARK TRUTH is not what you think. For decades, we thought it was just about sending horses to slaughter. Our investigation proves it's a terrifying cover for a vast criminal network involving drug smuggling, human trafficking, and sex trafficking right here in the U.S. 🇺🇸 🚨 PUBLIC HEALTH RISK: We found horses testing positive for Diphtheria—a human disease—proving sick, trafficked people are being hidden in the same cr