Anteater, can I add a few other small questions to your list?
Were there any debts to be paid by the estate that may have caused the assets to be spent?
Did the executor take more than his fee, which s/he is entitled to?
Did the will contain specific bequests (e.g., person who is executor gets certain assets, or the first % or $ of the estate?)
We would love to help you, but we need some details, please.