BANGOR – The federal grand jury sitting in Bangor has indicted David M. Keys, 51, of Millinocket, on child pornography charges.

Keys was charged with possession of child pornography and possession of obscene materials. If convicted, he could face a maximum sentence of five years in prison.

The Millinocket Police Department and the Maine Computer Crimes Task Force conducted an investigation into the case. Keys was indicted Thursday, Oct. 9.