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Preview: "48 Hours" investigates Google exec's secret and mystery woman

| Wealthy Google executive Forrest Hayes worked on secret projects like Google Glass and self-driving cars while keeping secrets of his own. Hayes had a loving family and the perks of success, like a yacht. But that's where his body was found, exposing an ominous mystery. Maureen Maher joins "CBS This Morning" to give a preview of her report.