I read this book for the first time at age fourteen or so - far too young for it. But it definitely made an impression on me; it was something I knew...moreI read this book for the first time at age fourteen or so - far too young for it. But it definitely made an impression on me; it was something I knew I would come back to when I was ready. The re-read was amazing; I had not appreciated before now McGinniss's accomplishment. I've put the book down feeling at least I know one thing - Jeffrey MacDonald is guilty, guilty, guilty.