Robbery suspects arrested in Contra Costa County

Two suspects in custody for bank robbery and attempted robbery in multiple jurisdictions

Published on Feb. 24, 2026

Got story updates? Submit your updates here. ›

Jarmaya Tillman of Antioch and Allen Charles Benjamin Foster of Oakland were arrested on Tuesday, February 17, 2026 for bank robbery in Alamo and an attempted robbery in Lafayette. The suspects were identified and detained by law enforcement agencies across Contra Costa County after a search involving multiple police departments.

Why it matters

The arrests highlight the collaborative efforts of law enforcement agencies in Contra Costa County to apprehend suspected serial criminals who have allegedly committed robberies and other property crimes across multiple jurisdictions. The case also raises questions about repeat offenders and the challenges of addressing organized criminal activity.

The details

According to the Contra Costa County Sheriff's Office, the suspects were identified and detained after a bank robbery in Alamo and an attempted robbery in Lafayette. A replica firearm was found in one of the suspect's backpacks. The suspects, Jarmaya Tillman and Allen Charles Benjamin Foster, have extensive criminal histories with prior arrests for burglary, vehicle theft, robbery, and gun charges.

  • On Tuesday, February 17, 2026, at about 1:01 PM, Contra Costa Sheriff's Office Valley Station deputy sheriffs responded to a report of a robbery at a bank in Alamo.
  • Lafayette police officers witnessed an attempted robbery outside a bank on the 3600 block of Mt. Diablo Blvd. shortly after the Alamo incident.
  • The suspects were detained by Lafayette police near East Street.

The players

Jarmaya Tillman

A 23-year-old resident of Antioch who has been arrested three times in 2020 and 2021 for burglary, including charges for minor in possession of live ammunition and minor shall not be in possession of any concealed firearm.

Allen Charles Benjamin Foster

A 20-year-old resident of Oakland who has been arrested nine times since 2023 by five other agencies for crimes including multiple counts of vehicle theft, grand theft, robbery, receiving stolen property and gun charges.

Contra Costa County Sheriff's Office

The law enforcement agency that responded to the bank robbery in Alamo and assisted in the investigation and arrests.

Danville Police Department

The police department that identified a license plate associated with the suspect vehicle and began searching for it.

Lafayette Police Department

The police department that witnessed the attempted robbery outside a bank and detained the two suspects near East Street.

Got photos? Submit your photos here. ›

What’s next

The judge will decide on Thursday whether to allow Jarmaya Tillman and Allen Charles Benjamin Foster to be released on bail.

The takeaway

This case highlights the challenges law enforcement faces in addressing organized criminal activity and repeat offenders across multiple jurisdictions, underscoring the need for continued collaboration and information-sharing between agencies to enhance public safety.