Home Contra Costa County Tre-4 Gang Members Charged with Murder, Armed Robbery, and Conspiracy

Tre-4 Gang Members Charged with Murder, Armed Robbery, and Conspiracy

by ECT
District Attorney

Martinez, Calif. – Members of the Tre-4 street gang are being prosecuted by the Contra Costa District Attorney’s Office on murder, armed robbery, and conspiracy charges.

Jalin Washington, Don Juan Defore Watson, Jr., and Amir Anderson-Roof all face charges for a series of crimes that include the killing of 20-year-old Basel Jilani of Lafayette on March 23, 2022.

In that incident, the victim Jilani was chased by Washington and Watson after they spotted him driving a high-end Mercedes on the freeway in Concord. Jilani tried to elude his pursuers but crashed his vehicle on Taylor Boulevard near the border between Pleasant Hill and Lafayette.

He was shot, killed, and robbed of his Rolex watch.

Washington, Watson, and Anderson-Roof are also at the center of several crimes in Bay Area in 2022 that include automobile thefts and armed robbery.

  • The People of the State of California v. Jalin Washington, Case Number: 01-22-01088
  • The People of the State of California v. Don Juan Defore Watson, Jr., Case Number: 01-22- 01086
  • The People of the State of California v. Amir Anderson-Roof, Case Number: 01-22-01087

Via Contra Costa County Sheriffs offiee

On Wednesday, July 20, 2022, at about 10:45 AM, Contra Costa County Deputy Sheriffs served arrest warrants at a home on the 4800 block of Vinewood Way in the City of Antioch. They arrested, without incident, 19-year-old Don-Juan Watson of Antioch/San Francisco and 20-year-old Jalin Washington of San Francisco.

Watson, who is being  held without bail, was booked into the Martinez Detention Facility (MDF) on the following charges:

  • murder,
  • two counts of robbery,
  • conspiracy

Washington, also being held without bail, was booked into MDF on the following charges:

  • murder
  • two counts of robbery
  • conspiracy
  • burglary
  • felon in possession of a firearm,
  • allowing someone to discharge a firearm from his vehicle.

The investigation is continuing. Anyone with information is asked to contact the Sheriff’s Office Investigation Division at (925) 313-2600 or through Sheriff’s Office dispatch at (925) 646-2441. For any tips, email: [email protected] or call (866) 846-3592 to leave an anonymous voice message.

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