Scott Gimbel, 50, shot Linda Sachs Gimbel, 44, as they handed over kids
The senior banker then turned gun on himself in Orange County parking lot
Their 13-year-old daughter and seven-year-old son watched from the car
A banker shot his estranged wife dead in the street before turning the gun on himself in front of their two young children on Halloween during an alleged custody dispute.
Scott Gimbel, 50, and Linda Sachs Gimbel, 44, were found outside an apartment block in Mission Viejo, Orange County, California, at 8.30pm on Friday.
It is believed one was handing their 13-year-old daughter and seven-year-old son to the other in a custody exchange.