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Billerica Postal Worker Robbed at Gunpoint
31 Jul
Summary
- A U.S. Postal Service employee was robbed of an arrow key.
- Suspects demanded the key at gunpoint outside a facility.
- The stolen key can be used to access mail collection boxes.

On Thursday, July 30, a U.S. Postal Service employee in Billerica became the victim of an armed robbery. The incident occurred around 4:25 p.m. outside a Postal Service sorting facility located at 5 Brick Kiln Road.
According to police reports, two individuals in a four-door black Cadillac approached the Postal Service employee in the parking lot. They displayed a handgun and demanded a specific tool: an arrow key. Following the demand, the suspects immediately fled the scene in their vehicle, heading towards Chelmsford Street.
Arrow keys are a critical piece of equipment for U.S. Postal Service letter carriers. They function as universal master keys, allowing access to numerous mail collection boxes and multi-unit residential or office mail panels. The theft of such a key raises significant concerns about potential mail theft, as it can be used to illicitly harvest checks and other sensitive mail.
Authorities confirmed that no injuries were sustained by the Postal Service employee during this alarming incident. The Billerica Police Department, in collaboration with law enforcement partners, is actively investigating the robbery. The investigation is ongoing as authorities seek to identify and apprehend the suspects and recover the stolen arrow key.