On her subsequent trips to the clinic, she discovered that Thomashefsky was prescribing Versed—one of the drugs that killed Michael Jackson—and that he was making house calls to inject it into rich old ladies in the hills. She found a great many more multidose vials of medicine than the doctor claimed to have used. She figured out that when the doctor used one of his multidose vials of painkiller on different patients, he changed the needle but not the syringe—and to prevent the spread of disease you needed to change both.
