UPI.com:  Author Michael Crichton's daughter filed papers with the probate court asking that the court remove her step-mother as a trustee of the deceased author's estate.   Crichton was a prolific author whose works include “Jurassic Park” and “ER. ”  He was in the process of updating his estate plan, but died before he could complete the revisions.

See also the Probate Lawyer Blog article called “Family fight over control of Michael Crichton's trust.”