Tag Archives: anonymous tip

When an “Anonymous Tip” Isn’t Enough: Revisiting a Landmark Fourth Amendment Victory

Posted on March 1, 2026 by thetorranceattorney

DUI Attorney Matthew Ruff’s landmark case on anonymous tips highlights the balance between public safety and privacy in DUI investigations. In a notable Appellate Division case (Case No. BR 053296), Ruff successfully argued that Redondo Beach police lacked reasonable suspicion based solely on an anonymous caller’s report of a driver with a glass of wine. Continue reading →

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High Court Allows Stops On Anonymous DUI Tip

Posted on May 18, 2014 by thetorranceattorney

A few years ago, California upheld traffic stops for suspected DUI drivers even if the suspicion was based on an anonymous 911 caller. This week the US Supreme Court followed suit and ruled that a traffic stop based on nothing more than a 911 call from an unknown caller was enough to detain a suspected DUI driver. Continue reading →

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