Your boss has been looking to you as becoming the next Lead Investigator and need to crack some cases if you want to get that promotion out of your squad. 

To give you a shot at this huge promotion, your boss has recently given you some tasks to accomplish. Your tasks are to: read and solve 3 mysteries, understand the elements of a mystery story and compose one yourself! Your boss will not take anything but the best!! 

...I hear the boss likes doughnuts just in case she is in a bad mood...