A 19-year-old woman died at the hospital.
A 14-year-old girl and a 37-year-old woman are in critical condition.
Police say the car that hit the women was a dark-colored 1993 Chrysler Concord and had California license plate number 3-E-C-W-1-2-1.
Police are also looking for Carol Vega, the registered owner of the vehicle.
If you have any information call police at 213-972-1853.