A search warrant reveals new information about the crash, including that police believe the SUV was traveling at least 71 mph when it hit the Awaida family.
As a precaution, authorities evacuated a nearby parking lot and a parking structure in the rental car area.
Investigators didn’t reveal how they identified the suspected shooter, but they arrested him in Long Beach a day after the crime, jail records show.
After police surrounded the area, they took him into custody on suspicion of attempted murder and shooting in a school zone.
Officers soon found the car nearby in an alleyway, but nobody was in it, LBPD spokeswoman Jennifer De Prez said.
The women told police they were walking when the gunman approached and fired at them, according to the LBPD.
Police said an argument led up to the crime, which happened around 1:10 p.m. on Oct. 19 in Cambodia Town.
The suspect, an 18-year-old student, was arrested on suspicion of misdemeanor sexual battery and taking lost property.
The family of a woman killed when a man fleeing from police crashed into her car is alleging the city of Long Beach bears at least some responsibility for her death.
SWAT officers and vice detectives swarmed a business in North Long Beach before dawn Tuesday as part of a crackdown on illegal gambling.