DUI Information
Out-of-State Drivers Arrested in Colorado
Every year, thousands of out-of-state drivers are arrested in Colorado and face consequences that can extend far beyond their visit. Colorado enforces DUI, DWAI, reckless driving, and other traffic laws equally for residents and non-residents, and many violations are shared with a driver’s home state through the Driver License Compact (DLC). A single arrest can [...]
Interlock Violation Data: Most Common Causes and Successful Challenges
Interlock violation data reveals a consistent issue: many recorded violations are not caused by actual impairment, but by device errors, environmental factors, or testing mistakes. False positives can result from common triggers like mouth alcohol, calibration problems, temperature shifts, or electronic interference, yet drivers often face penalties before realizing they can challenge the result. The [...]
DUID for Prescription Meds: How Legal Drugs Trigger Colorado Charges
In Colorado, a DUID (Driving Under the Influence of Drugs) charge isn’t limited to illegal substances—prescription medications can lead to charges, too. Even with a valid prescription, you can be arrested if an officer believes your ability to drive is impaired. Unlike alcohol cases, there is no set legal limit, and officers often rely on [...]
Blood Draws in Colorado DUI: Chain of Custody, Preservatives, and Lab Error
Blood draw evidence is often central to Colorado DUI cases, but its reliability depends on every step being handled correctly. From the use of proper preservatives that prevent fermentation, to a complete and documented chain of custody, to accurate lab testing procedures, even small errors can distort blood alcohol results. When breakdowns occur at any [...]
Marijuana DUIs in Colorado: Active THC vs. Impairment Evidence
In Colorado, drivers are subject to a legal threshold of 5 nanograms of active tetrahydrocannabinol (THC) per milliliter of blood, but this limit does not automatically prove impairment. Instead, it creates a rebuttable presumption—meaning prosecutors must still show that the driver was actually impaired behind the wheel. Unlike alcohol, THC affects individuals differently and does [...]
Was the Stop Legal
A DUI case can rise or fall based on whether the traffic stop itself was legal. The Fourth Amendment protects drivers from unreasonable searches and seizures, which means police must follow strict rules when stopping and detaining a vehicle. Officers must have reasonable suspicion based on specific facts, such as a traffic violation or observable [...]
