Alameda County Sheriff
@ACSOSheriffs
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The official Twitter page of the Alameda County Sheriff's Office. For emergencies call 911 or our dispatch center @ 510 667-7721. 🇺🇸
Oakland, CA
Joined November 2011
Today, Sheriff Sanchez proudly swore in two laterals to the ACSO. Please join us in congratulating and welcoming Deputies J. Rico Vera and M. Martinez. #Lateralswelcome #joinacso #WeAreHiring
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The Alameda County Narcotics Task Force arrest convicted felon William Mustain, after a search of associated properties in east Oakland and San Leandro, result in the seizure of heroin, cocaine, meth, handguns, rifles, and $474,000 https://t.co/pYaHlAUuF6
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We are hosting our Annual Holiday Toy Drive! Please support our communities by using the QR code to access the Amazon Wish List or dropping off new unwrapped toy at one of our many duty stations listed below. Thank you!
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FOR IMMEDIATE RELEASE October 27, 2025 ALAMEDA COUNTY SHERIFF'S OFFICE REOPENS 1993 MURDER CASE OF ZACHARY JACKSON Unincorp. Hayward, CA - 10/27/25 - The ACSO has reopened the 1993 murder case of Zachary Jackson following the discovery of new evidence. https://t.co/5ElW4ALcvD
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Hear from Alameda County Sheriff Yesenia Sanchez as she discusses recent immigration activity in our community and what residents can expect from the Sheriff’s Office.
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Throughout October, our staff has worn pink-themed patches in recognition of Breast Cancer Awareness Month. To those who are fighting, have survived, and lost their lives to breast cancer, our agency stands united in spreading awareness and honoring them all month long.
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This is an important message from AC Alert, the Alameda County unified mass notification system. Click here for more information on this alert. https://t.co/4ZpKVZHID8
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Convicted felon arrested in Dublin by the Alameda Co. Narcotics Task Force after three kilos of cocaine, evidence of sales, weapons, and a large amount of cash was located during a search of his home. https://t.co/n6ZnNb6SDd
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On this day, all across our nation, we take a moment to remember and honor those who lost their lives on 9/11/01. We Will Never Forget.
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The ACSO is proud to partner with @sharp_usa to provide comprehensive health and wellness education to our staff as an ongoing commitment to the wellbeing on and off duty.
Sharp’s mission is simple: extend the careers and lives of public safety professionals through proactive, trusted coaching. Today, we’re proud to share that Sharp Performance has raised a $12M seed round led by @a16z to bring our platform to every first responder in America. 🧵
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AC Alert is Alameda County’s official emergency alert system! Download the Public Safety app by Everbridge and follow Alameda County Or sign up at https://t.co/5rnwMKgAEC ¡AC Alert es el sistema oficial de alertas de emergencia del condado de Alameda! Descargue la aplicación de
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Happy Labor Day and thank you to all who labor with pride and purpose throughout our nation💙
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Enrique Perez has been located safely. Thank you.
Missing Person at Risk
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Scammers are impersonating law enforcement and U.S. District Court employees and demanding immediate payment to clear a warrant in liue of arrest. IT IS A SCAM. More here https://t.co/q5fom0JowB
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LOCATED MISSING PERSON Ahassahullah Aminyar has been safely located.
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