However, there were other patients whose lives had ended in suicide.
Some 40 percent more men in their 20's committed suicide last year.
Social trends in suicide are not always what you'd expect.
Federal money, by law, cannot be used in assisted suicide.
Officials at the time talked about an annual increase in suicides.
"I never came across one who wasn't at least partially interested in suicide," he said.
"I don't believe in suicide, Paul, and you had no right to even mention it to him."
There has been a rapid increase in suicides since the 1990s.
She also learned that in most suicides, no one knows for sure why someone chooses to take his or her life.
Depression, severe enough to result in suicide, is quite often seen during long-term treatment.