J. Milton Bowers was found guilty of murder. So he committed another one to free himself.J. Milton Bowers was not a particularly creative murderer at first. He had found a reliable scheme, a scheme used by many murderers before and since, and he stuck with it. In 1885, the San Francisco physician was on his third wife. His previous two had both died suddenly after he’d taken out large life insurance policies on them. And wife No. 3, poor Cecelia, had recently become one of the city’s most-insured civilians when her husband took out five different policies on her. They...