Drug DUI

Drug DUI Defense in Chula Vista

Facing a Drug DUI? Put National Teaching Faculty Experience to Work

A Chula Vista drug DUI charge can depend on disputed evidence of impairment rather than a straightforward alcohol threshold. The allegation may involve prescription medication, an over-the-counter product, cannabis, an illicit substance, or a combination of alcohol and drugs. The central question is whether the evidence proves that a substance impaired the driver while operating a vehicle.

Since 1998, we’ve focused exclusively on DUI defense in San Diego County. Attorney G. Cole Casey is a member of the teaching faculty of the National College for DUI Defense. That concentrated practice informs how we assess criminal charges, driving-privilege concerns, and the professional or personal consequences of an arrest.

Call (619) 930-5490 to arrange a free consultation about your charge. We can discuss the evidence and any deadlines that may require immediate attention.

How We Determine Whether Representation Fits Your Case

We examine the circumstances and potential defenses before recommending a course of action. Our evaluation may address the reason for the traffic stop, statements made during the investigation, chemical test timing, medical information, and the evidence the prosecution may use to claim impairment.

We’re selective about the cases we accept and give direct advice about whether representation is necessary. When we take a case, the strategy reflects the individual facts and the consequences at stake rather than treating every arrest the same way.

Our Blog

Read All

AWARDS & ASSOCIATIONS

Since the establishment of this law firm in 1998, we have strived to provide our clients with the highest quality representation and a level of customer service that is unparalleled by any firm anywhere.

Where a Chula Vista Drug DUI Case May Proceed

The San Diego Superior Court’s South County Regional Center in Chula Vista hears criminal and traffic matters. A charge arising from an alleged offense in the city may proceed in the South County division. Any California Department of Motor Vehicles action involving the person’s driving privilege remains a separate administrative matter.

What California Law Requires Prosecutors to Prove

California Vehicle Code section 23152(f) prohibits driving under the influence of any drug. Section 23152(g) applies when a person allegedly drives under the combined influence of alcohol and a drug. A lawful prescription, medical authorization, or legal cannabis use doesn’t resolve the allegation by itself. The issue remains whether the substance impaired the person while driving.

Unlike an alcohol DUI allegation based on a blood alcohol concentration of 0.08 percent or higher, a drug-related charge generally doesn’t rest on a comparable numerical threshold. The prosecution must connect the substance and the surrounding evidence to impaired driving ability at the relevant time.

Evidence Used to Claim Drug-Impaired Driving

The evidence can come from the entire sequence of events, not just a laboratory report. A drug recognition evaluation, a structured assessment performed by a trained officer, may also become part of the record.

Evidence that may require close examination includes:

The Traffic Stop: The reported driving pattern, legal basis for the stop, and observations recorded by the officer.
Statements and Symptoms: Answers given during questioning and observations involving speech, balance, pupil size, coordination, or demeanor.
Field Sobriety Tests: The instructions, testing conditions, performance, and any medical or physical limitations that may have affected the results.
Chemical Testing: The timing and administration of blood or urine collection, along with preservation and laboratory procedures.
Toxicology Interpretation: The reported concentration, metabolites, timing of use, and whether the result supports impairment rather than merely showing that a substance was present.

Potential Defenses to a Chula Vista Drug DUI

No single defense applies to every case. The review may reveal legal, factual, or scientific weaknesses, but the presence of a substance alone establishes neither impairment nor a valid defense.

Important areas of review may include:

Reasonable Suspicion: Whether the officer had a lawful basis to initiate the traffic stop.
Probable Cause: Whether sufficient facts supported the arrest when it occurred.
Proof of Driving: Whether the evidence establishes that the accused person drove the vehicle.
Proof of Impairment: Whether observations and test results reliably connect drug use to reduced driving ability at the relevant time.
Alternative Explanations: Whether fatigue, injury, illness, prescribed medication, or another documented condition affected the officer’s observations or the person’s field sobriety test performance.
Testing Reliability: Whether collection, preservation, laboratory analysis, and chain of custody were handled properly. Chain of custody is the documented record of who collected, stored, transferred, and tested a sample.

A DMV Hearing Request May Be Due Within 10 Days

The California Department of Motor Vehicles process addresses driving privileges and is separate from the criminal prosecution. If a suspension or revocation order is served, a driver generally has 10 days from receiving it to request an administrative hearing. Missing the deadline can limit the opportunity to challenge the proposed action through that process.

A DMV hearing doesn’t determine criminal guilt or innocence. It addresses administrative driving-privilege issues, while the court case concerns the criminal charge. When drug impairment is suspected, chemical testing may involve blood or urine, depending on the circumstances and test availability.

Get Clarity on Your Drug DUI Charge

A free consultation can identify court and DMV deadlines, clarify the evidence involved, and help determine whether further representation is warranted. Bring any citation, release paperwork, temporary license, test information, or court notice available to you.

We provide candid advice and individualized DUI defense based on the facts and consequences of each case. We can evaluate the details before recommending a course of action.

Contact The Law Offices of Casey & Angelos at (619) 930-5490 to discuss your case.

Continue Reading Read Less

Our FAQ

Frequently Asked Questions

Have questions? We are here to help. Still have questions or can't find the answer you need? Give us a call at 619-930-5490 today!

I was not drunk. Can I be charged with DUI for smoking marijuana or taking prescription medications?

If you were arrested for DUI but didn’t have alcohol in your system, you can still be charged with DUI. There are a number different charges associated with misdemeanor and felony DUI. You can be charged with an (f) count if you consumed any intoxicating drugs, regardless of whether they are illegal or prescription. But, if you were under the influence of both alcohol and drugs, then you can be charged with an (e) count for driving under the influence of drugs and alcohol.
Aren’t the police supposed to read me my Miranda rights?

It seems like common sense that an officer must read you your Miranda rights. Although this is true in a situation where you are being interrogated, for purposes of DUI, you don’t have that same right. Many times an officer will ask you questions prior to administering field sobriety tests and placing you under arrest. These questions have been classified as “pre-investigatory” questions and are not subject to Miranda. Therefore, it is important you speak with an experience DUI Defense Firm to know whether or not the failure to read you your rights will affect your case.
I was involved in an accident and someone was injured. Will I be charged with a Felony?

Maybe. You can be charged with Felony DUI whenever anyone other than yourself is injured. Even if the injuries were to a friend and their injuries are minor, you can still be charged with a felony. Penalties for a Felony DUI can be severe because your can face time in prison.

View All

Contact Us

For Immediate Help

First Name
Please enter your first name.
Last Name
Please enter your last name.
Phone
Please enter your phone number.

This isn't a valid phone number.
Email
Please enter your email address.

This isn't a valid email address.
Are you a new client?
Please make a selection.
How can we help you?
Please enter a message.
By submitting, you agree to receive text messages from The Law Offices of Casey & Angelos at the number provided, including those related to your inquiry, follow-ups, and review requests, via automated technology. Consent is not a condition of purchase. Msg & data rates may apply. Msg frequency may vary. Reply STOP to cancel or HELP for assistance. Acceptable Use Policy