I keep thinking though... how very lucky it is for them that she has not been found yet.A veteran Navy Seal Commander who was involved in many, many kidnap situations (Iraq etc) was a 'best guest" on today's STS Live and he states he personally believes NO way is this a genuine kidnap for ransom.
He claims it appears to be Extortion. The way it's played out just doesn't fit with a genuine kidnap for ransom situation.
They gave the family a week. If they were using it as extortion, they have been VERY lucky that she has not been found. IF the perp (s) are not the same as the note senders... how would the note sender know they would have week? Must be a gambler IMO