Wanna Be Detective. (ShawnxReader)

Y/n has just joined the force almost three weeks ago and the most exciting thing she had gotten to do is make coffee runs for Lassiter, do paper work and search things for him. What happeneds if she agrees to a certain psychic to help him solving the murder case of a family of three and one friend with the garintee from him that the force will agree to let her go on cases? Will she be able to find the murderer? Will shawns words be true? Will y/n's small crush on the good looking psychic turn into something more in the process? Read to find out! (Haha I feel like one of those commercial people)