You can sue, but you should act quickly as the statute of limitations could be an issue. I believe that the Statute prevents lawsuits past 2 years after the death for this type of claim in California. Please search Avvo.com immediately to find an attorney in your area! My condolences for your loss.
You need to act quickly because of statute of limitations concerns and you will need to be appointed as executor of the estate.
Very concerned you have waited too late-call an attorney immediately.
The answer given does not imply that an attorney-client relationship has been established and your best course of action is to have legal representation in this matter.