Dirty. Eriksson (Darkwater Bay), #18

The victims are left without blood at nearly bloodless crime scenes. Helen Eriksson knows it can't mean what it appears to be, but faces an uphill battle convincing her colleagues that clinical vampirism is a real disorder, nothing new, and not what pop culture has led the public to believe. The race is on to figure out who the killer is, and how the crimes are committed before it happens again.