Halloween in the small town of Fallowbrook, Wisconsin, is the perfect season for Deputy Donut Café owner Emily Westhill to unmask a killer. October 31st is just around the corner and Emily Westhill’s Boston cream donuts, carved with a scream, have made an indelible impression on local eccentric Rich Royalson. So much so that he’s ordered three dozen, with twice the fudge icing, for his 70th birthday—a special event in more ways than one....