It's not so much that 'You' are an angry ghost unable to rest. You are dead. But there is an angry ghost that looks feels and acts like you, and it has set itself upon the bearers of ultradimensional powers that are rightfully yours, at least by its questionable ghost reckoning.
The policemen - two of them, partners - see the ghost immediately, using their powers. In fact, in the fleeting glance they get of you in the moment before they dissolve your ghost forever, they intuit the entire story of your life. The one on the left chuckles.