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California DUI
Marijuana Lawyers

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The possession of marijuana has long been a criminal offense across the country. But on January 1, 2018, California legalized the possession (by those over 21) and sale of up to one ounce of marijuana for recreational purposes. However, this legalization of marijuana has no effect on the state’s laws regarding driving a vehicle while impaired by marijuana — or, as it is often called, “driving under the influence of marijuana,” “driving with a marijuana high,” or “driving stoned.”

Driving under the influence of any drug is a crime. This includes illegal narcotics, prescription medication, prescribed marijuana, and on some occasions, even over-the-counter medications. The offense is often referred to as DUI drugs, DUID, drugged driving, driving under the influence of marijuana or any combination of drugs.

At The Law Offices Of Taylor & Taylor, we are proud to offer our clients top-quality legal counsel. 

Call us at (562) 330-4173to schedule a free initial consultation with a member of our team if you are facing these serious charges.

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DUID vs. DUI

Vehicle Code section 23152(f) and (g) state this offense has the same consequences as driving under the influence of alcohol. 

The law indicates the following:

  • It is unlawful for a person who is under the influence of any drug to drive a vehicle
  • It is unlawful for a person who is under the combined influence of any alcoholic beverage and drug to drive a vehicle

Driving both under the influence of drugs and driving under the influence of alcohol are very similar. It affects your nervous system in a way where you are impaired and you are in an altered state of consciousness. However, there are significant differences between the two offenses when being charged.

California Vehicle Code section 23152(a) & (b) state that it is illegal to drive under the influence of alcohol, and to drive with a blood alcohol concentration of .08% or more. California law does not specifically prescribe a prohibition on the amount of a given drug. Whether it be a prescription medication, marijuana, or a controlled substance, California law does not actually prohibit a certain amount of a given drug in a person’s system. Rather, the law simply prohibits a person from “driving under the influence” of a drug. In order for a person to be considered “driving under the influence” of a drug, it must have such an effect on a person that their mental or physical abilities are so impaired that they are no longer able to drive a vehicle with the caution of a sober person, using ordinary care, under similar circumstances.

Individuals suspected of DUID are often put through the same or similar tests as drivers suspected of alcohol DUI. However, a “drug recognition expert” known as a “DRE” is usually called into the case when drugs are involved to examine the individual in question. A DRE is supposed to have special training related to identifying the symptomology of different types of drug use, and they can testify to the symptoms and effects of drugs or marijuana and determine if the person is impaired in their opinion.

Important: A driver can be using marijuana or medication legally with a physician's prescription, and yet if they are legally impaired, they can be charged with driving under the influence of drugs according to CVC 23152(f). In fact, there are circumstances where sometimes over-the-counter products and medications, such as Benadryl or Nyquil, can be alleged to have caused a person to be “driving under the influence of a drug”.

In addition, a DUID Is significantly different from an alcohol-related DUI in terms of the potential consequences in the DMV. If a person is arrested because of an alcohol-related DUI, then the DMV can impose an “administrative suspension” on their license if the person refuses the chemical testing or if there is a BAC above .08%. Again, in DUID situations, no amount of drugs can cause an “administrative suspension.” Therefore, the DMV cannot impose an administrative suspension due to any amount of drugs found in a person's system, however, they can still impose a suspension if the person was validly arrested for a DUID and refused chemical testing. The DMV can also impose a separate suspension if a person is convicted of any DUI charge in criminal court.

The chemical testing between DUI drugs and alcohol-related DUI also has some differences. Whereas law enforcement has the capability of testing for a person’s blood alcohol concentration (BAC) through the use of a breath test, such a test will not show the presence of marijuana or drugs (at this point – although technology and laws are quickly advancing). Consequently, testing for drugs has to be administered by taking a blood test.

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Elements of the Offense

The offense of DUI marijuana requires proof beyond a reasonable doubt of two elements:

  • Driving a motor vehicle
  • While under the influence of marijuana

Driving is usually proven through the testimony of the officer who observed the driving. However, in cases where the officer was not present, such as where there has been an accident or the car is parked, the driving element may be established through the testimony of passengers, witnesses, statements of the defendant, or — in some cases — through circumstantial evidence. This circumstantial evidence of driving under the influence of marijuana can consist of testimony that, for example, the defendant was seen behind the wheel of the parked car, the engine was warm, the keys were in the defendant’s pocket, etc. Circumstantial evidence is, of course, usually more susceptible to reasonable doubt in court than is direct evidence.

The second element in a marijuana DUI case — the defendant was under the influence of marijuana while he was driving — requires proof of impairment. This is legally defined as being impaired to such an extent that he lacked the “ability to drive with the caution characteristic of a sober person of ordinary prudence under the same or similar circumstances.” This is, of course, a notoriously vague and subjective standard of proof.

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With an average of 32 years of experience, a top A-V rating, and a listing in the Bar Register of Preeminent Lawyers, the firm continues to be widely recognized as California’s premier DUI defense attorney's and has twice been recognized in the American Bar Association Journal for its specialization and unique technical support staff of former law enforcement, blood-alcohol and DMV experts.

Proving Impairment

The usual means of poving the required degree of impairment in a DUI marijuana case is through (1) such observations by the investigating officer as erratic driving, physical appearance, mental acuity, field sobriety tests, the presence of marijuana or paraphernalia in the car, and incriminating statements, and (2) analysis of the driver’s blood for THC (Tetrahedroncannabinol).

An increasingly common practice in DUI marijuana investigations is to call in a “drug recognition expert”, also called a “drug recognition evaluator” (DRE) — at the scene of the investigation or later at the police station or medical facility. This officer has undergone a training program, originally created by the Los Angeles Police Department in the 1970s and later adopted by state and federal law enforcement agencies nationwide. The program involves using a standardized DRE drug impairment protocol of observations and tests to recognize drug influence and impairment, including impariment caused by marijuana. The protocols have, however, been the subject of criticism, and the training, skills and abilities of individual DREs vary widely. In the end, the test is necessarily somewhat subjective and dependent upon the officer's training, experience and accuracy.

A California DUI marijuana lawyer at The Law Offices Of Taylor & Taylor can help build the right legal strategy for your unique situation. Call (562) 330-4173 or fill out our online contact form today to learn more.

The Results of Our Cases Speak for Themselves Providing Hard-Hitting Criminal Defense
  • Felony DUI w/ Injury

    Rancho Cucamonga - 18 months prison, loss of license.

    Reduced to Misdemeanor DUI (fine, no jail)
  • DUI & Hit-And-Run (.30%)

    Vista - 1-year jail, fine, license suspension.

    DUI Dismissed, Plea to Hit-and-Run (Fine)
  • Drunk Driving

    Los Angeles - 6 months jail, fine, license suspension

    Reduced to Exhibition of Speed (fine)
  • Drunk Driving w/ Drugs

    Glendale - 6 months jail, fine, license suspension.

    Charges Dismissed
  • 2nd Offense DUI At High Speed

    Ventura - 1-year jail, fine, loss of license.

    Charges Dismissed

The Blood Test

A driver who is arrested for driving under the influence is required by law to submit to breath or blood testing; an increased jail term and a longer license suspension can punish refusal to do so. Since marijuana cannot be detected on a breathalyzer, drivers suspected of DUI marijuana are required to submit to having a sample of blood drawn. The blood is then later tested by a laboratory for the presence of THC.

There are, however, periodic attempts to develop and use roadside tests for marijuana, just as hand-held breath alcohol tests were developed in recent years. The most recent of these DUI marijuana roadside tests have involved the investigating officer taking a swab of saliva from the driver’s mouth, and then using a device at the scene of the investigation to analyze the saliva for THC. And there are recurrent attempts to enact legislation in Sacramento to authorize this procedure. To date, these attempts have been unsuccessful. 

The problem with testing the blood for marijuana or saliva, however, is simple: analysis can only determine the presence of THC in the blood — it cannot determine either (1) when it was consumed, or (2) whether the amount would have caused any impairment. Inactive elements of marijuana can stay in a person’s blood for days, even weeks — long past when it could have any effects on the driver. And it has never been conclusively clearly established how much marijuana can cause driving impairment — if it causes any impairment at all.

In other words, it is difficult to establish any connection between the THC in the blood sample and the degree of driving impairment (if any).

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