San Jose investigators are still trying to piece together the events that led to a stabbing at a pizza restaurant and a fatal car crash about ten minutes later.
Authorities say Marylou Altamira of San Jose was killed when the car she was riding in crashed into a motor home around 10:00 Wednesday night.
Police say a Sunnyvale man was driving as he and the 35-year-old Altamira took the female stabbing victim to the hospital.
Police say the driver was taken to the hospital for treatment of non-life-threatening injuries, while the condition of the stabbing victim is not known.
Authorities have not released the name of the woman who was stabbed, or of the driver of the car.
The driver of the motor home was not hurt.