FILE — Megan Marshack, shown in 1976, is said by Rockefeller family spokesman George Taylor to have been in the offices of Nelson Rockefeller when Rockefeller suffered a fatal heart attack, Jan. 29, 1979. Marshack was described as a researcher helping Rockefeller on art books he was to publish. (AP Photo, File)

FILE — Governor Nelson Rockefeller is shown in this undated photo. Location is unknown. (AP Photo, File)

FILE — The aide to former U.S. Vice President Nelson Rockefeller, Megan Marshack, who was with him when he suffered a fatal heart attack Jan. 26, 1979, is shown in this 1979 photo. (AP Photo, File)