Whether you love solving mysteries or simply want to escape reality, the crime genre is for you. Readers enjoy crime for many reasons, some even beyond those mentioned. No matter your logic, there's always a book to read. Today, I've chosen around 21 unsolved crimes, each a mysterious puzzle without suspects or clues. You'll find perplexity, more questions, and doubts. We leave you with your deductions to solve what you can, left incomplete by top investigators and the FBI. Here, you'll encounter pain, disappointment, and unsettling truths not meant for those under 18. If you're underage, please stop reading. I've compiled the most puzzling and mind-bending mysteries. Just take a deep breath, and find a quiet and secluded environment to continue reading.