A former U.S. Postal Service letter carrier in Southern California has admitted to stealing checks, credit cards, debit cards, and personal identification from the mail—and then using them to bankroll luxury shopping sprees and international travel.
The U.S. Attorney’s Office for the Central District of California announced Monday that 31-year-old Mary Ann Magdamit pleaded guilty to conspiracy to commit bank fraud.
She worked out of the Torrance Main Post Office and, according to prosecutors, spent at least three years targeting the very mail she was trusted to deliver.
Between 2022 and July 2025, Magdamit stole financial instruments from her delivery routes and personal mail handling duties. Court documents reveal that she activated stolen credit and debit cards online, using them herself and selling many to co-conspirators. Those associates then used false identities to cash stolen checks, including government-issued ones.
The spending trail was as bold as it was reckless. Prosecutors say Magdamit purchased a Rolex, other luxury items, and financed multiple overseas vacations—all of which she flaunted on social media. The plea agreement requires her to forfeit these ill-gotten goods.
Her legal troubles began to escalate in December 2024, when law enforcement searched her residence and discovered a cache of 133 stolen credit and debit cards, 16 U.S. Treasury checks, and a loaded “ghost gun.” Despite that search—and the clear warning it represented—Magdamit continued using stolen cards in the following months.
She has been in federal custody since July 1 and now faces a maximum sentence of 30 years in prison when she appears for sentencing on October 27.
Magdamit’s case is part of a troubling trend involving postal employees. Earlier this year, a Washington, D.C., USPS worker named Hachikosela Muchimba was convicted of stealing approximately $1.6 million in checks to support what prosecutors called a “lavish lifestyle.”
While the scale of Magdamit’s theft is smaller, the breach of trust is the same—an abuse of a federal position that undermines public confidence in an institution relied upon by millions for secure delivery of sensitive information and financial assets.
