You know he may not be really with it currently but he may have been "with it" 10 years ago. Regardless, until we know what information the DA has on the guy any speculation as to his guilt or innocence is just that. It is interesting to read the Freepers' takes on the guy given the information that is surfacing but even that information has been confusing and contradictory.
Looks like a case of mental illness. Mental cases claiming to have committed famous crimes when caught for a different crime has quite a history.
FReepers generally provide such a huge a volume of diverse speculation on cases like this, that one of us is bound to turn out to have been right, even if none of us really had a clue what we were talking about.