SAN DIEGO -- Footprints spotted on a dusty balcony and traces of DNA found on knives and pieces of rope helped investigators conclude that the mysterious death of a woman found hanging naked at a historic California mansion was a suicide, authorities said Friday.
The overwhelming physical evidence suggests that Rebecca Zahau bound her ankles and wrists, tied a rope around her neck and hung herself from the balcony of her pharmaceutical tycoon boyfriend's home in suburban San Diego in July, San Diego County Sheriff Bill Gore said.