His physicians and aides used a magnetometer to search for the bullet embedded in his body. Unfortunately, the results were inconclusive and they were unable to find the bullet. What happened?
1. There was interference that they did not recognize. 2. The bullet was never found.
Although solving puzzles based on historical events may seem like no fun at all, you just need to change your thoughts on the topic. Your goal isn't to study and memorize facts for a test; rather, it is to enjoy yourself and work your lateral thinking muscles to solve a riddle. If you learn an interesting tidbit, or discover a historical event that you refuse to be doomed to repeat, then that's an added perk!