United States Attorney's Office for the District of Colorado
12/16/2025 | Press release | Distributed by Public on 12/16/2025 15:53
Denver Man Indicted On 21 Counts Including Robbery of United States Postal Service Worker, Bank Fraud
Press Release
Denver Man Indicted On 21 Counts Including Robbery of United States Postal Service Worker, Bank Fraud
For Immediate Release
U.S. Attorney's Office, District of Colorado
DENVER - The United States Attorney's Office for the District of Colorado announces that Avian Mayo, 25, of Denver, was indicted by a federal grand on jury on 21 counts including postal robbery, brandishing a firearm in furtherance of a crime of violence, bank fraud, and aggravated identity theft.
According to the indictment, on March 4, 2024, Mayo-along with Brisa Sierra-Silva and Christopher Johnson, who are charged in a separate federal indictment-attempted to rob a postal carrier and then, later that same day, robbed a second postal carrier.
Sierra-Silva and Johnson were indicted and made court appearances in the spring of 2025.
The charges contained in the indictments are allegations and the defendants are presumed innocent unless and until proven guilty.
The case is being investigated by the United States Postal Inspection Service and the FBI Denver Field Office. Assistant United States Attorney Albert Buchman is handling the prosecution.
Case Numbers: 25-cr-00313-RMR (Mayo); 25-cr-00132-CNS (Sierra-Silva and Johnson)
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Updated December 16, 2025
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