C. J. Box

"A body hangs from a wind turbine, a bullet hole in his chest: Earl Alden, millionaire property developer. His wife, Missy, is the prime suspect. It wouldn't be a problem for Joe Pickett, if Missy weren't his mother-in-law. Missy claims she's innocent, and for his wife's sake, Joe would like to believe her...but all the early signs point to her...