Police need your help locating a missing and endangered 22-year-old woman from Prince William County. 

Alisa Posey was last seen in the 15300 block of Tina Lane.

She is described by police as a 22-year-old black female. Police say she may be driving a 2015 Hyundai Elantra with the tags VDP-2109. 

Anyone with information please contact the Prince William County Police Department.