California ex-USPS employee sentenced to over 5 years for stealing credit cards to fund luxury trips

CALIFORNIA – The U.S. Department of Justice (DOJ) announced December 8 that a former U.S. Postal Service letter carrier in California was sentenced to 63 months in federal prison for a years-long mail theft scheme.

Prosecutors said the Carson woman stole checks, debit cards, and credit cards from the mail and sold them to accomplices for three years. She used the proceeds to fund international travel and luxury purchases — then flaunted the money on Instagram.

Mary Ann Magdamit, 31, was sentenced by United States District Judge John F. Walter, who also ordered her to pay $660,200 in restitution.

Sold cards to co-conspirators

Magdamit, who has been in federal custody since July 1, was a letter carrier at the Torrance Main Post Office.

From at least 2022 until July 2025, she stole mail containing checks, personal identifying information (PII), and debit or credit cards.

She activated the stolen bank cards online, used them to make purchases, and sold some of the cards to her co-conspirators.

She also arranged for her co-conspirators to cash the stolen checks, typically using counterfeit identity documents in the name of the intended payee.

Law enforcement searched Magdamit’s apartment in December 2024, seizing 133 stolen credit and debit cards, 16 Treasury checks, and a loaded, unserialized Glock-clone “ghost gun” with a 27-round extended magazine.

Agents also found luxury goods purchased with the stolen cards, which Magdamit also used during international trips to Turks and Caicos and Aruba.

Agreed to forfeit a Rolex

Magdamit was arrested on July 1 after continuing to use victims’ credit cards, and a second search of her apartment that day uncovered more stolen cards.

Magdamit flaunted her luxury purchases, vacations, and stacks of hundred-dollar bills on Instagram. She has agreed to forfeit a Rolex and other luxury items.

According to the DOJ, federally insured banks and credit unions were victimized in this scheme.

In addition, prosecutors noted that the poorest Americans—who are often unbanked, rely on the mail to receive government benefits, such as Treasury checks or EDD debit cards, which Magdamit specifically targeted and stole.