Cedar Hill Police: Missing girl in grave or immediate danger

Police are also searching for the suspect in this case, Lisa Elizabeth Brown, 43.

Cedar Hill Police are searching for 12-year-old Sommer Brown. Sommer was last seen wearing a black tank top and black basketball shorts.

Police are also searching for Lisa Elizabeth Brown, 43, who is a suspect in this case. Brown was last seen wearing a black blazer and light green shirt.

The suspect is driving a gray Ford Expedition with license plate number 86P2257.

According to police, the child is believed to be in immediate or grave danger. If you have information regarding this case contact Cedar Hill Police at 972-230-5785. You can also contact local law enforcement.