SAN DIEGO (CNS) - Nearly two years after her death, the family and estate of Rebecca Zahau filed a lawsuit Wednesday against San Diego County authorities, seeking records and other evidence in their quest to prove that the Coronado woman died as a result of a homicide and not suicide, as investigators concluded. Zahau, 32, was found hanging outside her boyfriend's historic Spreckels mansion on July 13, 2011. An attorney for the Zahau family, Marty Rudoy, said the suit was filed against San Diego County, Sheriff Bill Gore and Medical Examiner Dr. Glenn Wagner "to get further information regarding the...