The King Is Dead (A Samantha Adams Mystery, #5)
by Sarah Shankman
Crime reporter Samantha Adams is working on a book called American Weird when her boyfriend, Harry Zack, persuades her to join him at a barbecue cookoff in Tupelo, Mississippi.
Also driving toward Tupelo is Mary Ann McClanahan, who more or less killed her worthless third husband, Carlin. She's discovered Carlin was already married to a woman in Tupelo who'll collect his life insurance...