One thing Tom says he can't yet explain is the marijuana found in Diane's system, though he says the Schuler family suspects the Westchester Medical Examiner's Office has made a mistake. "We have gotten a DNA sample from a toothbrush of Diane's. We are in the process of having the Westchester medical examiner's office transfer the extra specimens, samples, tissue samples, to a crime lab of our choosing, and they will first test it versus the DNA."