Skin trilogy

In Saintstone everyone gets tattoos recording their deeds from birth until death, and the ink lets every other citizen know your triumphs as well as your sins; so when Leora's father dies and she sees glimpses a symbol of a horrible crime on the back of his neck she is horrified, and sure it is a mistake--and in her efforts to find out the truth she discovers the lengths that Saintstone will go to preserve its "perfect" society.