Past Crimes by John Jacob Dawson

Justice delayed is justice denied—until now.Michael’s idyllic life was shattered when a brutal attack claimed his parents’ lives and the police did nothing to identify their assailants. Too young to be a vigilante, he vows to one day seek justice himself—even if it means turning back time.Likewise, her partner’s sudden murder plunged Cassie’s career into chaos. As a headstrong but promising young officer, she is determined to enforce law and order, no matter the cost—even if the suspects are her superiors.When their paths cross, they join forces to crack the cold cases that haunt them, harnessing time travel to investigate unsolved homicides. But Michael’s obsession with justice may have lethal consequences, and there’s only so far a man can bend the rules before something has to break.Past Crimes is an electrifying thriller with a dash of science fiction. Its swift pace and gripping twists will keep you up late into the night as Michael and Cassie race toward a reckoning—one that may leave them both stranded in the crossfire.