Cleveland, Tennessee
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Cleveland, TN 37311
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3 Ways to Make DUI Investigations More Effective November 29, 2019

Cleveland, Bradley
3 Ways to Make DUI Investigations More Effective, Cleveland, Tennessee

Breathalyzers and dash cameras make it easier than ever to build a DUI case, but the most compelling evidence always comes from your interactions with the suspect. A conversational interrogation gives the suspect free rein to reveal incriminating information, which could be all you need to request a breathalyzer test or make an arrest. Below are a few simple, passive ways to make your DUI investigations easier and more productive.

3 Tips for Improving Your DUI Investigations

1. Ask Many Open-Ended Questions

Avoid questions that can be answered with just a short “yes” or “no,” which usually won’t give you any helpful investigation insight. Focus on questions that get the suspect to tell a story, such as asking them to tell you where they are coming from and how their night has been. When they start talking, they’re more likely to provide probable cause for a closer investigation.

2. Avoid Inquiries That Will Deter the Driver  

BreathalyzerIf you’ve already got the suspect talking, a closed question with a one-word answer can put a stop to their monologue. After asking them if they have been drinking, it can often be hard to get the suspect talking again. Also, avoid asking them if they know why you pulled them over and other queries designed to make the suspect nervous.

3. Don’t Interrupt

Bear in mind that while you’re talking, you aren’t collecting evidence that can secure a conviction. Don’t interrupt the suspect, and try to practice the 80/20 rule. This means that the suspect should do 80% of the talking during an interrogation, while your prompts and questions should constitute just 20% of the dialogue.


From breathalyzers to alcohol monitoring bracelets, Tennessee Recovery & Monitoring in Cleveland, TN, provides cutting-edge equipment to law enforcement agencies and health organizations throughout the state. They pride themselves on making it easier to keep intoxicated drivers off the road with state-of-the-art equipment that stands up in court. To learn more about their breathalyzers and other monitoring equipment, visit their website or call (855) 472-7269 today.

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