TESS GERRITSEN - Girl Missing

Long time heroine Kat Novak is the medical examiner and recently divorced. A sudden slew of deaths are coming in, and Kat can't explain why they died. But, she finds a phone number in one of the dead girl's pocket. The number is Adam Quantrell's, the rich CEO of a pharmaceutical company. She suspects him at first, but soon finds that Adam is concerned his daughter Maeve is involved in drugs.