This Little Piggy Went to Murder — Ellen Hart

It's election year in Minnesota, and Jack Grendel is running hard for the U.S. Senate. But a pair of grotesque murders threatens to derail his campaign. One is the bizarre hanging of a consultant for Grendel Shipping. The other is the shooting of Jack's own father soon after he withdraws financial support from his son's campaign. When food critic Sophie Greenway, a family friend, starts snooping, it begins to look like one of her oldest friends is a killer. But will she discover which one before it's her turn to die?