INWOOD, N.Y. - A mom crossing an Inwood road with her 6-year-old son was killed by a hit-and-run driver whose car knocked her to the ground and rolled over her body, Nassau County police said Saturday.

The boy survived the Friday afternoon tragedy. He complained to authorities of leg pain, but he was not seriously injured and now is with his father, police said.

The incident occurred around 4:56 p.m. when Victoria Cuadros, 29, of Redfern Avenue, was at the crosswalk at Morris Avenue at Doughty Boulevard as a sport utility vehicle turned left onto Morris from Doughty, striking mother and son, police said.

"It kept going," said Det. Lt. Kevin Smith, the chief spokesman for the Nassau police.

Someone followed the SUV, Smith said, but lost track of the vehicle after several blocks. The witness did not note the SUV's license plate, he said.

Cuadros was taken by helicopter to Nassau University Medical Center in East Meadow, where she was pronounced dead at 9:23 p.m., police said. She died of blunt-force trauma, Smith said.

The boy's name has not been made public by police.

Family friend Harold Monje, 25, said Cuadros worked at a day-care center and was from Colombia.

Monje -- who along with another family friend said the child's name is Nicholas -- said the boy hadn't been told his mother was dead.

"It's painful," Monje said. "We're trying to protect him."

Max's Pizza, near the crash scene, where friends say the boy's father worked, was closed yesterday. "Closed today for mourning," a sign on the shop read.

The SUV is described as a maroon or brown late-model Chevrolet or GMC Tahoe or Yukon with dark-tinted windows, oversized tires and shiny chrome wheels.

The police homicide squad is asking anyone with information about the incident to call the hotline 800-244-TIPS. All calls are kept confidential.

The family made a personal appeal for the hit-and-run driver to come forward.

"The family and friends are begging and pleading -- please confess," Monje said. "This has been a murder of a wonderful woman who left behind a child."