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MEMPHIS, Tenn. — Memphis police need help locating a missing teen who left with an adult male who may have “forced himself on her,” according to police.

Police say the teen, Barbara Sanders, and another 17-year-old left with a 38-year-old man, Lafayette Miller, around 11 p.m. Sunday night.

Miller, also known as ‘Lucky,’ forced himself on Sanders when they went into a place of business on Chelsea Avenue near uptown Memphis, according to the alert.

The other teen was able to get away and call for police around 6 a.m. on Monday morning.

The Tennessee Bureau of Investigation issued an AMBER Alert for Sanders Monday.

MPD set up a command post where she was last seen at the corner of Danny Thomas and Chelsea. Though police followed several leads, they did not announce that Sanders or Miller had been found.

Police set up a command center behind a business on Chelsea Avenue. (Morgan Mitchell, WREG)

Barbara Sanders was last seen in a pink hoodie, black pants and black and pink Nike tennis shoes. Investigators say she has a double nose piercing and “Gwen” tattooed on her right wrist.

Lucky was last seen wearing a gray shirt and gray sweatpants. Police also described Miller as 5’9 and 209 pounds with a black beard. He is also armed with a small handgun. Right now, vehicle description is unknown.

If you see Barbara, please contact Memphis Police at 901-545-COPS or Missing Persons at 901-636-4450.