🚨 WARNING: The case that made hardened FBI agents quit. 📓 EXCLUSIVE: His disturbing death row diaries reveal a mind too evil to comprehend. ⚡ Never-released interview tapes expose how he planned his horrific crimes. 🔍 SHOCKING: The evidence that made Washington state bring back execution. 📝 His final confession changed how we profile predators forever. 💔 True Crime Alert: This episode contains content that even veteran detectives couldn't handle.