CNN  — 

Authorities arrested a Boston man who allegedly submitted a $2 million claim on behalf of his dead aunt to a fund designed to help victims of April’s marathon bombings, Attorney General Martha Coakley said Tuesday.

Branden Mattier, 22, was arrested at his home Tuesday when an undercover state trooper presented him with a simulated check made out for $2.195 million. He was charged with attempted larceny over $250 and identity theft. In June, The One Fund Boston referred the matter to the attorney general’s office after it suspected that Mattier’s claim on behalf of his aunt, Onevia Bradley, was false.

“We allege that this defendant attempted to defraud The One Fund of more than $2 million,” Coakley said. “Because every dollar was allocated to victims, he sought to take these funds away from real victims of the Marathon attack and from the thousands of people who had so generously given to help those who truly need it. We commend The One Fund for uncovering this and for referring it to our office for further investigation.”