SIOUX FALLS, S.D. (KELO) - An endangered missing advisory has been issued for a 16-year-old girl.

According to a press release from the SD Attorney General's Office, Alyssa Marle Fortner, 16, was last seen Friday, August 22 at 11:30 p.m. in Fort Pierre, SD.

It's reported that Alyssa removed all of her possessions from her home and her cell phone is turned off. She did not bring her required medication.

The vehicle she was last seen in is described as a dark grey or black four door sedan (possibly a Chevy). There's a rear tail light out on the passengers side. The license plate number is unknown.

The advisory states that the car was being driven by an unknown adult Native American woman.

Anyone that has seen this endangered person, suspect, or vehicle is asked to call (605)773-7410, is

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