A former Fairfax County music teacher was charged Friday with aggravated sexual battery after allegedly unlawfully touching a juvenile during lessons at his home, authorities said.

       Roger McKay, 69, was arrested Friday after an alleged victim told a therapist of unlawful sexual contact with McKay between 2010 and 2013, Fairfax County Police said in a statement.

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       Up until his arrest, McKay provided private lessons to juveniles at his home in Fairfax, according to the statement, offering the lessons through contacts he made as a music teacher for Fairfax County Public Schools.

       A spokeswoman for the school division said McKay retired in 2017. Police said they did not identify offenses that occurred on school grounds. It was not clear whether McKay has a lawyer.

       Police asked anyone with information about this case to contact them at 703-246-7800, option 3.