GREENBELT, Md. (WJZ) — A former Montgomery county music teacher is indicted in federal court for possessing child porn.

Charles Victor Kopfstein-Penk of Bethesda, gave music lessons out of his home. He was arrested earlier this year on related state charges.

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According to the indictment, Kopfstein-Penk possessed images depicting the sexual abuse of children, including images of child pornography involving a prepubescent minor.

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The indictment also seeks the forfeiture of any property traceable to profits from the offense or used to commit the offense, including a desk top computer and five external hard drives.

If he is found guilty, he could face up to 20 years in federal prison.

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Anyone who may have information about possible victims or details related to the investigation of Charles Victor Kopfstein-Penk is asked to contact the Maryland Center for Missing and Exploited Children at 1-800-637-5437.