Officers were called to the 12000 block of Lake Newport Road about 8:10 p.m. on Tuesday to investigate a hit-and-run accident.
While there, one of the people at the scene became irate and spit in an officer’s face, police said.
Police said Jennifer Escobar Chinchilla, 21, of Reston, also attempted to kick one of the officers. She was taken into custody. Police also found drugs in her possession. Chinchilla was not the driver or the victim in the car accident, police said.
Chinchilla was charged with disorderly conduct, possession of marijuana and assault on law enforcement officer.