At the five minute mark The anonymous billionaire looks down at Barbara's unmoving body "Almost my dear, almost" If they were so inclined they could cut the Zip tie and with some cpr maybe Barbara could be saved, but in truth, they were never going to cut the tie to begin with. "I got to call bob to come clean up this mess, I wonder if he has any other chicks available, maybe someone younger" Chuckling to themself the billionaire leaves poor Barbara's corpse laying motionless on the floor.