Over 5,000+ Case Victories in Arizona.
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Voted #1 in DUI Defense (2020) by Ranking Arizona!


3 Board Certified Criminal Law Specialists *



Reasons To Hire DM Cantor The Most Jury Trial Acquittals by a Firm in Arizona History!

DM Cantor is a top-rated DUI and Criminal Defense Law Firm in Arizona. David Michael Cantor has an AV® rating from Martindale-Hubbell and is a Board Certified Criminal Law Specialist (one of 3 specialists in the firm – the most of any law firm in Arizona).

  • Certified Specialists in Criminal Law *
  • Voted #1 DUI Defense in Arizona (2020) by Ranking Arizona
  • 10.0 Superb Rating on AVVO
  • AV® Rated by Martindale-Hubbell

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    Possible Arizona DUI Defenses No case is indefensible.

    Even though Arizona may have some of the most severe DUI penalties in the nation, no case is indefensible. The key to a strong Arizona DUI defense is to hire an experienced DUI Law Firm and a DUI Trial Attorney with a proven track record in DUI cases.

    Officers are not permitted to stop or detain someone based on pretexts regarding race, religion, gender, age, sexual preference nor on a host of other possibly discriminatory or legally insufficient reasons.
    If a person has had too much to drink, pulls off the roadway, leaves the engine running with the A/C or heater on, and attempts to “sleep it off”, they are not in “actual physical control” of their vehicle and are not guilty of DUI or DWI.
    If an officer did not have probable cause that a person was actually under the influence of alcohol, then the arrest will be invalidated (i.e. if the Field Sobriety Tests ((FSTs)) were improperly administered). The National Highway Traffic Safety Administration (NHTSA) has set forth guidelines regarding FSTs. The tests should not be given if the suspect:

    • is 50 pounds or more overweight
    • is 65 years of age or older
    • has any back, hip, leg, knee, or ankle injuries
    • has any disability effecting balance
    • is wearing shoes with heels two (2) inches or higher

    The AZ Department of Health Services (DHS) has set forth rules for the proper maintenance of breath testing devices. They must be calibrated to within a 10% accuracy range every thirty-one (31) days. In addition, the machine goes through a seven (7) test Standard Quality Assurance Procedure (SQAP) every ninety (90) days. If any of the maintenance checks are “out of tolerance”, then all breath tests given during the time interval between the two maintenance checks will be inadmissible. The prosecutor will not point this out for you.
    When arrested for DUI, DWI, or Extreme DUI, upon requesting a DUI Lawyer in Arizona, the police must get you to a phone as soon as it is reasonably possible. If they ignore your request, or wait too long, this could be grounds for dismissal.

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    DUI Case Victory Highlights The Most Jury Trial Acquittals by a Firm in Arizona History!

    Felony Aggravated DWI (.304 BAC)

    • Not Guilty / Complete Acquittal at Jury Trial
    • State v. Mr. D.
    • Maricopa County Superior Court

    Super Extreme DWI (.341 BAC)

    • Dismissed
    • State v. Mr. B.
    • Goodyear City Court

    Felony Aggravated DUI (.294 BAC)

    • Dismissed Due to Evidence Handling
    • State v. Ms. M.
    • Maricopa County Superior Court

    DUI Drugs (Marijuana)

    • Dismissed (Due to Blood Test Issue)
    • State v. Mr. B.
    • Payson Regional Court

    Felony Aggravated DUI (.228 BAC)

    • Dismissed Due to Coerced Blood Draw Issue
    • State v. Mr. L.
    • Phoenix City Court

    Super Extreme DWI (.323 BAC)

    • Dismissed Due to Coerced Blood Draw Issue
    • State v. Mr. L.
    • Phoenix City Court

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    What Our Clients Say We Have Hundreds of 5 Star Reviews!