🧠 Before 'Bill Tench,' there was Robert Ressler—the FBI legend who coined the term 'serial killer' and revolutionized criminal profiling. 🎭 His face-to-face interviews with Manson, Bundy, and Gacy built the foundation of modern criminal psychology. 🌍 Exclusive access to his personal case files and original killer interviews. 💉 The real stories behind Mindhunter's most chilling scenes—and the ones too dark for television. ⚠️ Warning: Contains authentic killer interview recordings. 😱