You are the manager of a private investigative agency. Your firm has been contracted to investigate a malpractice case. A patient is suing a doctor based on the side effects of the medication she received. What questions would you ask and why?

Note: If a disease affects 1 in 1000 and a test works 98% of the time, then it is 20 times more likely that the first round of the test may be wrong.

"It is a part of probability that many improbable things will happen." - Aristotle