If your friend was murdered with the murderer’s best regards! He did an exquisite job. So exquisite that, despite our justified doubts, we are obliged to admit the possibility of suicide. That’s why I didn’t dare to confide my suspicions to the prosecutor, to order a formal investigation. The risk was to make a fool of myself, to ruin my career, as I was so devoid of evidence... My jurisdiction as a police officer ends here, and yours begins, as a novelist. Why don’t you write a novel?