didn't even know that gabby was missing, and that's why gabby wasn't even reported missing until the 11th. so you have all these things that show that the parents knew a lot more, but the question is whether it's criminal? that's what prosecutors are going to have to deal with. not conjecture. they need to deal with facts and evidence. >> how important is it for authorities to figure out exactly how brian laundrie died? >> well, the prosecution against br brian laundrie is over. the case about his using gabby's atm card is over. any charges that were going to be filed against him for the death of gabby. that's done. but investigators are still going to look for things, like how did he die? and that could be important to know whether it was a suicide whether it was some -- maybe, he just got eaten by an alligator. i mean, there are lot of things you would want to know it because everyone has unanswered