See John Elihon’s article in the August 5, 2009 New York Times:  Writing Expert Says Astor’s Signature Was Forged

"That testimony by Mr. Lesnevich, a forensic document examiner and prosecution witness, appeared to be a blow to Francis X. Morrissey Jr., an estate lawyer who prosecutors have accused of forging Mrs. Astor’s signature on that March 3, 2004, codicil to her will."