The San Diego County medical examiner ruled Rebecca Zahau 's death a suicide . `` Defendants intentionally , willfully , wantonly and maliciously threatened to cause immediate physical harm to Rebecca by threatening to stalk , attack , choke , gag , bound , and hang her at the premises , '' the complaint said . Rebecca 's family did a private investigation after officials would n't press criminal charges . Lawsuit accuses boyfriend 's brother , ex - husband and ex - wife 's twin of plotting her death . Zahau died two days after her boyfriend 's brother suffered a fatal stroke in the same home .
The San Diego County medical examiner ruled Rebecca Zahau 's death a suicide . Rebecca 's family did a private investigation after officials would n't press criminal charges . Lawsuit accuses boyfriend 's brother , ex - husband and ex - wife 's twin of plotting her death . Zahau died two days after her boyfriend 's brother suffered a fatal stroke in the same home .