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ST. LOUIS, MO (KTVI) – A St. Louis County inline hockey coach charged with more than a dozen sex crimes involving boys is facing a number of new charges, this time in federal court.

Ian Mackie, 39, is facing four new charges. And because they involve the use of a cellphone and computer, the federal government is involved.

The federal grand jury’s indictment was made public Thursday. Mackie, a Ballwin native, faces two charges of online enticement of a minor, one charge of receipt of child pornography, and one charge of attempted receipt of child porn.

The indictment accused Mackie of receiving a graphic image of a minor on his cellphone in December. It also states that in that same month, Mackie also received a pornographic image of a boy and tried to entice a boy into sexual activity. He was also charged with coercing another boy into engaging in sexual activity in August 2014.

Mackie already faces 14 charges in St. Louis County, including statutory sodomy, possession of child porn, enticement and attempted enticement of a child, and attempted sexual exploitation of a child.

Those county charges involve three boys, one of whom was under the age of 14, and all of the charges involved communication over the social media site Snapchat.

Mackie has pleaded guilty to the state charges and remains jailed on a $250,000 cash-only bond.

County prosecutors said they may add more charges as they look for additional victims.