the one which detective goldschmidt found teen's credit cards.by far, the biggest problem was proving that tina sandoval had been murdered. >> there was a moment after we had file the charges where detectives, my partner and i read sitting round in a room and all of a sudden the question is, how are we going to prove that she is dead? everyone got really white eyed. >> talk about a basic question. >> one we should've talked a little bit more about before we filed. and >> we spent the next two days listing off everything we do to try to find people. we knew we had to do all of those things and then 50% more because we had to prove to a jury beyond a reasonable doubt that she was deceased. >> sister susan was ready for trial, but none in her family looked forward to it. >> that was hard. we are all having to go back years and years and recall exactly what we all individually experienced. >> tina's friend and colleague, sure, venn would also testify. >> were you intimidated by that when you are put on a witness list? >> i was. yeah. >> have you ever