Notes Used During Presentation at the February 27, 2018 Town Hall to Address the February 17th 2018 Officer Involved Shooting 18-030(a)

Map of the the OIS at Alameda / De Haro Suspect's Gun Alameda / De Haro 180127629


February 16, 2018 approximately 6:29 pm

  • Uniformed officers from Park Station, responded to the area of Stanyan Street and Oak Street regarding gunshots heard in the area.
  • The officers observed numerous citizens pointing inside the Panhandle Park
    • The officer located two victims suffering from what appeared to be gunshot wounds.
    • The officers requested medical assistance and began to administer first aid.
    • The medics arrived and pronounced one victim dead at the scene and transported the second victim to Zuckerberg ZSFGH for treatment.
    • A short time after the initial shooting officers on the 2000 block of Fell Street were flagged down by a carjacking victim. Through the course of the carjacking investigation it was determined that the suspect in the carjacking was also the suspect in the earlier homicide and shooting.
    • A department wide bulletin was issued identifying Joel Armstrong as both the suspect in the shooting and homicide as well as the carjacking.
    • On February 17, 2018 at approximately 12:13 am officers located the carjacking vehicle parked behind an RV near the intersection of Alameda and De Haro Streets.
    • Believing that the RV was occupied and that it may be connected to the carjacking vehicle and officer peered into a window of the RV and observed Mr. Armstrong in the RV.
    • The officers set up a perimeter and ordered the occupants out of the RV. Three occupants and a dog exited but Mr. Armstrong remained in the RV.
    • Mr. Armstrong was ordered out of the RV multiple times by officers but he did not comply with the orders.
    • The officers heard gunshots come from inside the RV and the officers fired at the RV occupied by Mr. Armstrong.
    • The officers then backed further away from the RV and continued to order Mr. Armstrong out of the RV.
    • Our Department’s Tactical Unit and hostage negotiators responded to the scene and attempted to contact Mr. Armstrong who remained in the RV. At approximately 2:15 am Mr. Armstrong exited the RV and was taken into custody.

Additional Information:

  • No one was struck by gunfire during the incident.


  • Preliminary evidence indicates that Mr. Armstrong fired two rounds from his weapon and that seven officers fired approximately 65 rounds from their department issued weapons.
  • A 9mm firearm was located inside the RV and is pictured here today.


  • Five of the seven officers that fired their weapons had their BWC activated and captured the incident. The remaining two officers activated their BWC after the shooting.


  • There are witnesses and officers that heard gunfire or witnessed portions of the shooting who have been interviewed, including the individuals that were in the RV.


  • Joel Michael Armstrong, 31 year-old White male with no known address has been charged with: Murder, (8) counts of Attempted Murder, Carjacking, Possession of a firearm by a convicted felon, discharge of a firearm, and receiving stolen property.

Involved Members:

  • 7 officers fired their weapons.
  • All have been interviewed
  • Identified as
    • Glennon Griffin
    • Anthony Sharron
    • Robby Wilkom
    • Matthew Nazar
    • Gregory Buhagiar
    • Steven Oesterich
    • Christopher Cotter


  • Independent Investigations Bureau of the District Attorney’s Office and the Department of Police Accountability are conducting their independent investigations.
  • The SFPD’s Homicide unit is conducting the criminal investigation and the Department’s Internal Affairs unit is conducting the administrative investigation.

You may view the BWC videos below:








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