LILBURN, Ga. -- A former University of Georgia football player who has been working as a high school teacher and assistant coach has been arrested after he was accused of having an inappropriate relationship with a students, officials said.

According to the Gwinnett County School District, Michael "Mikey" Henderson resigned from his positions as a math teacher and assistant football coach at Parkview High School in Lilburn Friday morning.

The district said the 32-year-old was taken into custody May 19, following a parallel investigation between Gwinnett County school police and the school's human resources department.

Henderson is expected to make his first court appearance on Sunday.

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According to a report from the Gwinnett County schools police department, the allegations first came to light from three students who were friends with the now-18-year-old victim.

The report states that the student and Henderson had been having a sexual relationship for more than a year and a half, from about September 2015 to May 2017. Henderson initially denied the allegations, but police say he later admitted to the relationship after investigators obtained evidence.

Henderson, who was hired by the school in July 2013, was a receiver for the Georgia Bulldogs from 2003 to 2007, according to USA TODAY Sports. He was best known at UGA for catching a touchdown pass from Matt Stafford in overtime to beat Alabama 26-23 in 2007.

Henderson was charged with sexual assault and is being held at the Gwinnett County Detention Center.

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