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VANDERGRIFT (KDKA) – The FBI has joined the search for a missing 16-year-old Vandergrift girl.

Stefanie Grantham says everything seemed normal when she dropped her daughter, Lena Dixon, off at her job at the McDonald’s location along Hyde Park Road in Leechburg on June 26.

Surveillance footage shows that Dixon left about 15 minutes after being dropped off and got into a white Chrysler 300 with tinted windows in the restaurant’s parking lot.

Grantham found out when she came back around 8 p.m. to pick her daughter up. She says she calls her daughter’s cell phone multiple times every day, but her daughter never answers.

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It’s believed that the person driving the Chrysler was a man Dixon met on the internet. Grantham says this isn’t the first time her daughter ran away with a man.

Grantham isn’t sure if Dixon is being held against her will by a man believed to be in his early 30s.

“I’m not really sure at this point. I’m not sure what he filled her head with to make her be gullible enough to believe the things the man said to her and if she’s willingly staying or if she’s being forced to stay,” Grantham said.

Grantham has heard reports on possible sightings. In the meantime, all she can do is wait and hope her daughter reaches out.

“Please get in contact with me. I love you. I miss you. I need to know that you are OK. I want you home where you’re supposed to be with your family,” Grantham said.

Dixon is described as being 5-feet-4-inches tall and weighing about 172 pounds. She has brown hair with blue and green highlights.

She also wears glasses and has a piercing on the right side of her nose.

Anyone with information is asked to contact Vandergrift Police at (724)-568-5507 or call 911.