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Alonso Sala
CRIMINAL LAWYERS
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Criminal Lawyers for Cocaine and Driving

Defense against drug driving charges related to cocaine detection.

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Cocaine-related driving offenses present unique defense challenges compared to other drug driving cases. Cocaine metabolites (primarily benzoylecgonine) can remain detectable in saliva for 24-48 hours and in blood and urine for even longer. However, the stimulant effects of cocaine typically last only 30-60 minutes, meaning a positive test may reflect past use with no current impairment.

Under Article 379.2 of the Criminal Code, driving under the influence of drugs is treated similarly to drunk driving. However, the prosecution must prove actual impairment at the time of driving—not merely substance detection. This is the key vulnerability in cocaine cases: the stimulant effects last only 30-60 minutes, while the metabolite (benzoylecgonine) remains detectable for 24-48 hours, creating a wide gap between a positive test and any real impairment.

Defense Strategies

Key defense strategies include: expert testimony on cocaine pharmacokinetics (proving the drug's effects had dissipated by the time of driving), challenging clinical examination results (pupil dilation, elevated heart rate, or other signs attributed to cocaine may have alternative medical explanations), and requesting quantitative blood analysis (measuring the ratio of cocaine to its metabolite benzoylecgonine can indicate the time of consumption).

Criminal Consequences

The penalties are those of Art. 379.2 CP: imprisonment of 3 to 6 months (usually suspended for first offenders), a fine, and the deprivation of the right to drive of 1 to 4 years. A positive saliva test is not sufficient on its own for a conviction —confirmatory laboratory analysis is required— and, given the gap between detection and impairment, the absence of clinical signs frequently leads to acquittal or to the reclassification of the conduct as an administrative infraction. As with other road safety offences, the deprivation of the right to drive tends to be the most onerous consequence in practice, so a central objective of the defence is to preserve the licence or to reduce that deprivation to the legal minimum.

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Penalty Chart

Type / ScenarioCriminal Penalty
ImprisonmentPrison sentences from 3 months to 6 years depending on severity and concurrence of offenses.
License RevocationRevocation of driving privileges from 1 to 4 years.

* Penalties shown are indicative. The actual penalty depends on case circumstances, applicable mitigating and aggravating factors.

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Our Defense Strategy

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Evidence Review

Comprehensive review of the prosecution evidence to detect procedural irregularities.

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Negotiation

Limited plea agreement when the evidence is strong, to minimize consequences.

Road Safety Offences in Spain: DUI, Reckless Driving and Traffic Crimes — Defence Guide

Road safety offences (Arts. 379-385 CP) are among the most prosecuted in Spain. Driving under the influence (DUI), dangerous driving, unlicensed driving, and driving while disqualified carry not only prison sentences and fines, but also driving licence disqualification that can last up to 10 years.

Penalty Table: Road Safety Offences

OffenceArticleThresholdPenalty
DUI (alcohol)Art. 379.2> 0.60 breath / 1.2 blood3-6 months prison or fine + 1-4 yr disqual.
DUI (drugs)Art. 379.2Any detectable amount3-6 months prison or fine + 1-4 yr disqual.
Excessive speedArt. 379.1+60 km/h urban / +80 km/h interurban over the limit3-6 months prison or fine + 1-4 yr disqual.
Reckless driving (Art. 380)Art. 380Manifest disregard for life6 months – 2 years + 1-6 yr disqual.
Unlicensed driving (never held)Art. 384No licence ever held3-6 months prison or fine
Driving while disqualifiedArt. 384Lost by judicial/admin order3-6 months + 1-4 yr further disqual.
Hit and run (Art. 382 bis)Art. 382 bisLeaving accident scene6 months – 4 years

Key Defence Strategies

Challenge the Breathalyser Result

Breathalyser devices must be calibrated and certified. Challenge: calibration records out of date, device malfunction, improper administration protocol (required 15-minute observation period before test).

Drug Test Challenge (Saliva/Blood)

Roadside saliva tests are presumptive, not conclusive. Request the blood confirmatory test. If the confirmatory test was not performed or the result is contested, the evidence may be insufficient.

Reckless Driving: subjectivising the risk

Art. 380 requires manifest, concrete endangerment of road users. Driving fast on an empty road at night may not constitute the 'manifest danger to life' required.

Disqualification Computation

If the accused drove believing the disqualification had expired (administrative error, incorrect notification), the subjective element of Art. 384 may be absent.

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Why Choose Us?

Need a criminal defense lawyer for this type of offense? Here's how we work:

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+15 Years of ExperienceTeam dedicated exclusively to criminal law before Spanish courts and tribunals.
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