💀 "Humanity's Darkest: History's Most Twisted Serial Killers"

🔪 From basement butchers to hospital angels of death—meet Earth's most prolific monsters. 🎭 A nurse who poisoned 400+ patients, a cannibal who served victims to neighbors, a killer clown who buried boys under his house. 🌍 Global investigation reveals how these predators operated across continents. 🧬 Exclusive forensic analysis exposes their evolution: Why are modern killers deadlier? 🎥 Warning: This cinematic journey into evil's abyss contains crime scene footage never shown before. ⚠️ Some cases remain unsolved—their methods still copied today. 😱