Mansion of Secrets: The Mysterious Death of Rebecca Zahau 2
Part 2: In the early morning hours of July 13, 2011, Adam Shacknai calls 911 and reports "I got a girl, hung herself". That "girl" was his brother's girlfriend, Rebecca Zahau. Adam Shacknai was reportedly alone with Rebecca at the Spreckels Mansion property on the night she died and was the last person to see her alive.