BOSTON (CBS) – Two brothers have been indicted on charges that they attempted to defraud One Fund Boston of $2 million.

Branden Mattier, 22, who was previously charged, and his brother, Domunique Grice, 27, both of the South End, were indicted Thursday by a Suffolk County Grand Jury.

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The brothers allegedly submitted a claim on behalf of their aunt, who had actually died ten years ago.

Each faces one count each of Conspiracy to Commit Larceny over $250, Attempt to Commit Larceny over $250, and Identity Fraud.

Along with news of the indictment, investigators released new details that said Mattier and Grice had scheduled an appointment to test drive a new Mercedes-Benz E350 the same day their check was scheduled to arrive.

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Investigators also said evidence showed the brothers posed as family members of a bombing victim on multiple occasions.

They attended a private ceremonial closing of the memorial set up in Copley Square and attended a complimentary dinner at the Seaport Hotel for bombing victims and their families.

Mattier is currently being held on $20,000 cash bail.

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No court date has been set for their arraignments.