California Probate Code Section 859

If a court finds that a person has in bad faith wrongfully taken, concealed, or disposed of property belonging to the estate of a decedent, conservatee, minor, or trust, the person shall be liable for twice the value of the property recovered by an action under this part. The remedy provided in this section shall be in addition to any other remedies available in law to a trustee, guardian or conservator, or personal representative or other successor in interest of a decedent.