A Filipino national residing in Baltimore, Maryland pleaded guilty in Boston federal court on Wednesday to sexually exploiting and conspiring to sex traffic minors with a former teacher at a private school in Cambridge, prosecutors said.

Christopher Allan Tisoy, 27, pleaded guilty to one count of sexual exploitation of children and one count of conspiracy to commit sex trafficking of children, the U.S. Attorney’s Office for the District of Massachusetts said in a press release .

Tisoy, along with Joshua DeWitte, 50, were arrested and charged in May and indicted in October. Both remain in federal custody, officials said.

In December 2024, DeWitte, a former music teacher at Buckingham Browne & Nichols School in Cambridge, allegedly uploaded child sexual abuse material showing the abus

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