Odor of Alcohol on Breath

James Parker
March 22, 2022

What Is Odor of Alcohol on Breath?

Odor of alcohol on breath is an example of an abnormality that an officer may use to establish probable cause. Probable cause is the legal standard necessary to meet before an officer can conduct a search, make an arrest, or make an arrest.

The reason police officers need to establish probable cause is to avoid a 4th amendment violation. The 4th amendment states that no citizen of the United States will be subject to “unwarranted searches or seizures.” In order to avoid a search being “unwarranted” the police officer must have some reason to suspect that if they make an arrest, search, or obtain a warrant that action will lead to an arrest.

Depending on the state and the judge, the bar for what constitutes probable cause can vary wildly. In some jurisdictions, the scent of marijuana near an apartment may be a reason for the police to attempt to conduct a search. In other areas, the police may need the testimony of a confidential informant or see some suspicious activity or object. 

Odor of alcohol on the breath is a common reason for probable cause given on police reports in which an individual is suspected of driving while under the influence (DUI). This observation may warrant the officer to administer a breathalyzer test, a field sobriety test, or even perform an arrest on the spot.

Key Takeaways

  • Odor of alcohol on the breath refers to an observation made by an officer during a stop for a suspected DUI.
  • The reason odor of alcohol and other observations are filed in the police report is to establish probable cause to justify testing or arresting a driver suspected of drunk driving.
  • While odor of alcohol on breath may be reported, that observation is the officer’s subjective interpretation and can be challenged in court.
  • If you have been charged with a DUI on the strength of observations like “odor of alcohol on breath,” an experienced DUI attorney may be able to improve the outcome of your case by leveraging experience and expert testimony.

Odor of alcohol on breath and Driving Under the Influence (DUI) Charges

Odor of alcohol on the breath is part of a battery of small, subjective observations that an officer makes during a stop. These observations could include more than just “odor of alcohol.” Other such observations include:

  • Blood-shot eyes
  • Slurring speech
  • Strange behavior

Once the officer believes that they have observed these phenomena, they may state their belief that they have probable cause to take several actions.

If they observe what they consider to be unusual behavior, they may believe that they have probable cause to examine the driver in more detail. They may ask that the driver perform one or more field sobriety tests. These tests are designed to further explore whether an individual is intoxicated to the officer’s satisfaction. The issue here is that both the initial observation and the results of these tests are left to the individual interpretation of the officer.

Strange behavior may also make the officer feel empowered to administer a blood alcohol content (BAC) test. These tests can range from a portable breathalyzer, a urine sample, or a drawn blood sample.

The officer may also feel that the unusual behavior justifies a search of the driver’s vehicle. In this instance, the officer may find something unrelated to the initial observation but still charge the individual with a crime. For example, if the individual appears “drunk” to the officer but they find drugs in the car, then the officer could choose to simply charge the driver with possession instead.

Finally, an officer could believe that their observation is sufficient cause to arrest the driver. The issue with all of these scenarios is that they are born out of a single person’s subjective interpretation of another person’s behavior. This could be biased or outright fabricated and the only people who would know would be the officer and the accused. 

Bottom Line

If you have been subjected to additional searches, tests, or arrest following the initial observations of an officer, your arrest may have been constitutionally infirm. If you contact an experienced DUI attorney, they may be able to improve the outcome of your case.

By cross-examining the arresting officer, a DUI attorney can find holes and inconsistencies between the police report and the officer’s testimony. This inconsistency can be used to make a motion to the judge arguing that you have been the subject of a search under false pretenses. Additionally, a DUI attorney can use experience and expert witnesses to dispute the evidence and get you the best possible outcome.

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