(AP) - A body found Sunday in the Hudson Riverlikely is that of a woman who jumped from the Tappan Zee Bridgelast week, 15 years after her stepfather leaped to his death fromthe bridge following a brutal family killing, police said.

State Police Sgt. Todd Parent said they believe the body belongsto Anne Morell Petrillo, a daughter of slain newspaper heiress AnneScripps Douglas, the great-great-granddaugther of The Detroit Newsfounder James E. Scripps.

Witnesses saw the 38-year-old Petrillo, of Rye Brook, inWestchester County, stop her car on the bridge and jump onThursday, police said. Petrillo left her identification and a note,but police have refused to describe the note. They have called hercase a suicide.

The Rockland County medical examiner's office was expected tomake the official identification of the body, state policeInvestigator Joseph Becerra told The Journal News on Sunday.

Petrillo's stepfather, Scott Douglas, leaped to his death fromthe bridge on New Year's Day 1994.

Police later found that he had bludgeoned Scripps Douglas with aclaw hammer the previous night in their home in Bronxville.Petrillo found her mother's bloodied body.

Scripps Douglas, who was 47, also was a great-great-grandnieceof E.W. Scripps, the founder of Cincinnati-based E.W. Scripps Co.,which owns newspapers and television stations.