SANDY, Utah -- Police in a town near Salt Lake City are trying to get down to the naked truth about a bizarre hit-and-run.

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It started when a woman rammed her car into a sport utility vehicle in the town of Sandy, police said.

Police said she then backed up and hit the SUV again. Surveillance cameras from the neighborhood picked up the collisions.

The woman then hopped out of her car, naked, and approached the occupants the SUV, authorities said.

"This lady was speeding directly towards us, and I tried to warn my friend to get out of the way," said Fred Rollins, driver of the SUV. "But it seemed like she was intent on hitting us and she did. And as we backed out of her way, she came and hit us again."

Police said the 38-year-old woman has a history of mental illness.

"She jumped out of the car and she was naked, stark naked, and tried to attack me or something," Rollins said.

The woman also followed a 14-year-old girl home, kicked in the door of the girl's home and resisted arrest when officers arrived, police said.

She was taken to the University of Utah hospital where she's being evaluated, authorities said.

She faces charges including aggravated assault, leaving the scene of an accident, trespassing, criminal mischief and lewdness.