Whiskey sour : a Jacqueline "Jack" Daniels mystery
(Book)

Lieutenant Jacqueline Daniels, or Jack, as she's known, has just broken up with her boyfriend and is having one of her bouts of insomnia, so she's not in the best of moods anyway. Then a frightening serial killer who calls himself the Gingerbread Man starts murdering women all over Chicago and dumping their violated bodies in garbage cans. With her binge-eating partner Herb, Jack begins to piece together the mystery of the maniac who's terrorizing the entire city. Unfortunately the FBI (or Feebs) send two officers who look like the Bobbsey Twins, and who have inordinate faith in their profiling computer.