Murder Is Where the Heart Is by Maddie Cochere

Amateur private investigator, Jo Ravens, is the only common link in the murder of three people and the abduction of a cab driver. While police are busy building a case against her, Jo races to prove her innocence. Her sister, Pepper, and journalist friend, Jackie, are on hand to assist in catching the real killer. The antics of her ex-husband and eccentric Mama add to this humorous mystery.