>> on the morning of june 7, 2007, brianna hall was driving home from college, to what she didn't know. her elder sister courtney had called and said it was bad. >> she said there was an accident and you need to come home right away. >> it was courtney who eventually broke the news to ashton and brianna. their mother, their father's wife of close to 30 years, was dead. but neither courtney nor chris waited at the house to tell them what happened or to comfort them. nor did they linger over the body at the hospital. they couldn't. because father and daughter were escorted to several squad cars and driven to the police station to talk about the accident. what was that ride like? >> quiet. i remember crying the whole time. i couldn't comfort had i father. he couldn't comfort me. we got to the station and they said that my dad would be a few more minutes. >> chris, so frenzied at the