Spikes by Kelvin J. Kettle

Detective John Quint is assigned to a brutal murder case in which male victims were beaten to death with a whip. He soon discovers that a beautiful young woman who dresses in black leather is a suspect. The murder case becomes plagued with elements of the supernatural. It proves to be something far more complex and deadly than anything Quint has ever encountered before...And he later discovers that his own life may be in danger.