“Half my life ago, I killed a girl.” So begins Darin Strauss’ Half a Life, the true story of how one outing in his father’s Oldsmobile resulted in the death of a classmate and the beginning of a different, darker life for the author. We follow Strauss as he explores his startling past — collision, funeral, the queasy drama of a high-stakes court case — and what starts as a personal tale of a tr...