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Motion to Suppress: Filing Motions as a Defense Strategy

Interviewer: How often do you find yourself filing a motion to suppress as a defense strategy? What does that mean? What do you try to get suppressed, and why?

Brian Sloan: A motion to suppress is something I file when it’s appropriate to the case. I’m not one of those attorneys that just files motions for the sake of doing it, just to show my clients that I’m doing something.

Attorneys File Motions to Suppress to Legally Exclude Evidence That Could Be Used against Their Clients at the Trial

A motion to suppress is basically saying that there’s some legal justification to exclude a certain type of evidence from being presented at trial. In DUI cases, usually, the attorneys are attempting to suppress blood test results or breath test results, or basically trying to suppress everything that happened after the stop.

If someone was pulled over for an unjust or illegal reason, it is possible to get all evidence suppressed as fruit of the poisonous tree which is fruit of an illegal stop. That’s a pretty motion to suppress. Basically, all they can say is, “Okay, the person was driving, and then that’s all.” The only evidence they have is everything else gets suppressed.

Having Evidence Crucial to the Prosecution Suppressed May Result in a Reduced Charge Such as Being Impaired to the Slightest Degree

Attorneys will also trying to get the blood test or breath test or urine test suppressed because they’re not scientifically reliable. Or there is a procedure that was incorrect in the way the blood was drawn or the blood was tested or the breath test was done. That tends to result in usually count two, three, and/or four of DUI being dismissed; but, technically, even if I was able to get the blood, breath or urine test suppressed, the prosecutor can still go for as Count 1.

The DA can still go for how the person did on the field sobriety test, and what the person admitted to. There are outward signs of impairments. The blood, breath, or urine is not necessarily the definitive factor. Getting that suppressed doesn’t mean the case goes away. It makes the case a lot easier because they can’t bring in blood test results or breath test results or urine test results. The prosecutor may still have enough evidence to go to trial, and try to prove that you were driving under the influence and that you were impaired to the slightest degree.

By Brian Douglas Sloan

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Brian Douglas Sloan


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Best DUI Lawyer in Phoenix

Why DUI Attorney Brian Douglas Sloan?


19+ Years SOLELY Focused on DUI Defense


4,200+ DUIs Successfully Defended

Top Accolades

  • Only DUI "Power Lawyer" in the Nation Featured in USA Today, 2022

  • Top 10 in Arizona

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Top One Percent in the Nation

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“I am one of only a handful of Phoenix DUI Lawyers that focuses solely on DUI Defense representation.”

I have spent my entire career focused on Arizona DUI Defense representation, having personally defended over 4,200+ DUI clients in the past 19+ years.

If you’re looking for a divorce attorney, tax attorney, or civil attorney, I can comfortably say, "I’m not the one for you."

Coming up with traditional, as well as outside-the-box motions and defenses for my clients, often with good results, is the hallmark of my practice.

Lawyers that say they are "aggressive" or "will fight for you" are a dime a dozen. They use these phrases because they think people want to hear them. Being "aggressive" isn’t the same as being good and is often used to put on a show to hide the fact that they aren’t doing anything meaningful for the client.

The same is true for the lawyers claiming to do DUI Defense, Criminal Cases, Accident Cases, and Divorces. A Jack-of-all-Trades is a master of none! By handling all sorts of cases, they take away from their ability to truly focus on DUIs, and keep up to date on the latest changes in Phoenix DUI Defense Representation.

What I offer is intelligent, quality DUI Defense at an exceptional price.

I have not only taught other lawyers how to do DUI Defense Representation at statewide seminars, but I produced DUI Legal Guides used by defense lawyers across Arizona.

I am one of Arizona's most award-winning DUI Defense Lawyers, recognized nationally, including in a 2022 issue of USA Today.

There are no other private DUI Defense Lawyers in Arizona that have personally defended more DUI cases than I have. And as a bonus, I offer a flat rate for my legal services without any hidden charges. This guarantees that I offer some of the most competitive rates among all Arizona DUI Attorneys, while being the preeminent leader in the field of DUI Defense Representation.

Over the years, countless people have come to me after discovering that their first lawyer made a mistake, gave them false hope or false promises, or simply took their money and didn't do much to advance their case. And you would be surprised at how often this happens.

So, instead of wasting time and money on the wrong DUI Defense Attorney, do yourself a favor and get the proven and documented best DUI Lawyer in Phoenix and the surrounding areas of Maricopa County.

You can reach me on my cell phone: 480-720-7839.

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Brian Douglas Sloan

DUI Attorney

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