(NewsNation) — A Massachusetts teacher is accused of lying about a military background, including a claim that she received a Purple Heart, as well as falsifying the credentials that allowed her to teach in multiple school districts.

Lissa Lagasse, 57, of Lowell, was arrested Friday after a grand jury indicted her on a total of 21 charges, including stolen valor, larceny, identity fraud, child endangerment and intimidation of a witness. Lagasse pleaded not guilty at her arraignment, according to the

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