'Where Will You Run? (The Dion Series)' by M.E. Franco

Blurb:
As a San Francisco homicide detective, Mari Lucas was used to calling in favors to get her sister, Kerry, out of trouble, but this was the last straw. Instead of her usual minor brush with the law, Kerry landed herself in a locked psychiatric ward rambling about vampires who were out to get her. Working in San Francisco, Mari had seen a lot of crazy things, but vampires? Maybe Kerry had