Black Velvet by Sal Casamassima

Theo Holmes, a direct descendant of Sherlock, is called in to help the San Diego and Las Vegas police departments when eerily similar homicides by euthanasia pop up in both cities. Working with PAM, a beautiful AI robot, and Delaney Watson, Holmes’ team realizes they face contradictory DNA evidence and bizarre connections to Elvis Presley.

Category: Mystery – Traditional Detectives