Mother of missing PA teen who disappeared with 45-year-old man begs her daughter: ‘Come home'

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ALLENTOWN, Penn. — The mother of a missing Pennsylvania teenager who disappeared with a 45-year-old married father of four is begging her daughter to come home.

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Amy Yu, 16, was last seen on March 5 at at her school bus stop in Allentown where she was dropped off with her younger brother. Police believe she ran away with Kevin Esterly.

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"Amy, can you come back to me?" Mui Luu, the teen's mother begged during an interview with CBS News. "I love you. I just hope you come back."

Yu was friends with one of Esterly’s daughters and had gone  on vacations with the family.

Police believe the teen was in a secretive relationship with Esterly, according to news outlets, and willingly left with him.

"Why would a 45-year-old man and a 16-year-old girl … like, that's disgusting," the girl's younger brother, John Yu, said to CBS News.

Esterly’s wife said he withdrew $4,000 from the couple’s bank account and took important documents with him when he left.

Authorities believe Esterly is driving a 1999 Red Honda and are asking for the public’s help in locating the teenager.