Enough to Make the Angels Weep by Ernesto Patiño

An unsolved murder and a 150-year-old diary of an Irish soldier are inextricably linked to the past. Hired to investigate the murder of an elderly widow, P.I. Joe Coopersmith hits one dead end after another. With few clues and no suspects, he nearly gives up, until a stranger delivers a diary that will take the case in a whole new direction…