[ He doesn't belabor the point, was expecting Carver to see through it quickly. This is supposed to be a good story, something hopeful, but he also thinks...

That Carver won't believe in something hopeful without a tragedy to it first. ]

Her sister was raped by a remorseless man, [ he says plainly, voice growing taught, ] and her attempt to bring legal charges was unsuccessful. A year later, Dr. Tillman's sister took her own life.

[ He leaves a moment of silence out of respect. ]

Eventually we realized she was stalking the rapist with the intent to kill him and dissolve the body in lye to hide the evidence.