Breath & Blood Tests

Florida DUI, criminal defense, and personal injury, explained by a forensic lawyer-scientist and former public defender. Celebrity cases, courtroom strategy, and the science behind the evidence, in plain English.

Rory Safir

Every post here is written by Rory Safir, one of a handful of ACS-CHAL Forensic Lawyer-Scientists in Florida and a former Assistant Public Defender in Tampa.

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How Many Drinks Is Over the Legal Limit in Florida?

Somebody at every party claims to know the answer: two beers and you are fine, three and you are over. The honest answer is that nobody can tell you a safe number of drinks, and the reason is not lawyerly hedging. It is how the law is written and how...

RFI Detect: How an Officer’s Radio Undid a 0.179 Breath Test

Everyone who walks into a Florida breath testing room is carrying a transmitter. The operator has a portable radio. The arresting officer has a phone, a body camera on his chest, and more often than not a smartwatch....

A Blood Result Is a Claim, Not a Fact: Three Things From My New Guide

If a nurse drew your blood after a crash, or an officer said "warrant" and "blood" in the same sentence, you know the feeling. Somewhere in a lab there's a tube with your name on it, and everyone around you is acting like whatever number comes out of that tube...

How a Florida Breath Test Can Be Wrong: Inside the Intoxilyzer 8000

A breath testing machine is built to look like the last word....

What the Machine Assumed About Your Body That Night

If you blew into a machine and a number came up, I know what that number is doing to you. It sits in your head like a verdict....

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Case Results

Acquittal, Pinellas County: DUI jury acquittal after the HGN eye test was challenged.

Past results are examples only and do not predict, promise, or guarantee the outcome of any other case.

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Client Reviews

“Rory rescued me. His professionalism and knowledge of criminal law turned what could have been a terrible situation into freedom. One of the best attorneys in the state, in my opinion.”

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