I would agree with this. I have thought that police have known or had a pretty good idea of what happened that night, for a long time. But like you said, short of having supporting evidence, they only have one chance to try the case. And in a case of this magnitude, they don't want to try to risk bringing it to trial on circumstantial evidence. I may be wrong. I know the group of investigators looked at the case several years ago, over a couple day time period. They returned to the SPD their suggestions on what they thought of the case, and where SPD should go investigation wise with the case. However, unfortunately, this information was never released to the public. But they had to have had their hooks into something for them to return "Suggestions" to the SPD. Were they suggestions and recommendations on who to look at, or how to bring the case to trial, or things that tied certain people to the crime? Wish we knew. But again, Like SpringfieldMan341 implied, and I agree, I think police knew more about this crime than they let on. May be that's why they're not talking about the case. May be they are just waiting for that, "One missing link" that ties the case up and brings it to trial. But I'm not holding my breath at this point. Like SpringfieldMan341 said, and I also agree, I think the answer is easier than people think and I also think it is right in front of our noses. But short of hard evidence, or someone spilling the beans and confessing, good luck.