Georgia Is the Only State Where a $2 Drug Test Can Convict You at Trial — Colorado Just Banned Arrests Based on These Tests

News Lead

Georgia remains the only state in the nation where unconfirmed results from cheap, color-change field drug tests can be used to convict someone at trial — a distinction thrown into sharp relief after Colorado became the first state to legislatively restrict arrests based on these tests, signing HB 26-1020 into law on March 26, 2026, with unanimous votes of 65-0 in the House and 33-0 in the Senate.

The University of Pennsylvania’s Quattrone Center for the Fair Administration of Justice estimates that approximately 961 Georgians are falsely arrested each year based on these tests, which produce false positives at rates between 15% and 38% — far exceeding manufacturers’ claimed error rate of approximately 4%. Nationally, an estimated 30,000 Americans are falsely arrested every year due to inaccurate field test results, a figure researchers described as conservative.

The stakes in Georgia are uniquely severe. Because possession of any amount of a Schedule I or II controlled substance is classified as a felony under Georgia law, people arrested on false positives face 2 to 15 years for simple possession — creating extraordinary pressure to plead guilty before crime lab results arrive. Georgia’s Bureau of Investigation lab backlog reached 36,194 items in 2019, with 19,112 in the drug testing section alone, meaning people can wait months in jail for evidence that would clear them.

Key Takeaway: Georgia is the only state where unconfirmed $2 field drug tests can convict someone at trial, and an estimated 961 Georgians are falsely arrested each year as a result.

Quotable Statistics

False-positive rates and false arrests:
– Field drug tests produce false positives at rates between 15% and 38%, depending on jurisdiction and substance tested, according to the University of Pennsylvania Quattrone Center’s 2024 comprehensive study — far exceeding manufacturers’ claimed error rate of approximately 4%.
– Approximately 30,000 Americans are falsely arrested every year based on inaccurate field test results, a figure researchers described as conservative.
– An estimated 961 Georgians are falsely arrested each year due to faulty field drug test results.
– Approximately 773,000 drug-related arrests per year involve colorimetric field tests — roughly half of all 1.5 million annual drug arrests nationally.
– In New York City jails, field tests for fentanyl had an 85% false-positive rate — only 15% of items that tested positive actually contained fentanyl.
– A Savannah Police Department internal audit found a 21.4% error rate — the portable test was wrong in 9 of 42 cases reviewed.
– The Georgia Bureau of Investigation confirmed 145 false positives from field tests statewide in 2017 alone: 64 for methamphetamine, 40 for cocaine, 24 for ecstasy, and 11 for heroin.

The plea bargain pipeline:
– 89% of prosecutors accept guilty pleas without any confirmatory laboratory testing.
– 67% of drug labs reported they are not asked to review samples when cases are resolved by plea agreements.
– 46% of labs do not conduct confirmatory testing if a guilty plea has already been entered.
– Over 80% of prosecutors acknowledged it is “extremely unlikely” that seized drug evidence will ever be analyzed once a plea deal is reached.
– Approximately 95% of criminal cases nationally are resolved through plea agreements.
– ProPublica estimated that a minimum of 100,000 people per year plead guilty to drug charges relying on field test results as the primary evidence.

Racial disparities:
– Black Americans experience erroneous drug arrests from field tests at a rate three times higher than white Americans on a per-capita basis.
– In Harris County, Texas, 60% of those wrongfully convicted based on field test false positives were African American — in a city that is 24% Black.
– 93% of those wrongfully convicted in ProPublica’s nationwide analysis received jail or prison sentences.

Georgia’s unique position:
– Georgia is the only state where unconfirmed field drug test results remain admissible at trial for non-marijuana drug cases.
– 68% of Georgia police agencies still use roadside drug tests; only 26% have a policy requiring additional evidence before making an arrest based on field test results.
– 68% of Georgia police agencies responding to a 2024 survey still use roadside drug tests.

Colorado’s law:
– HB 26-1020 passed 65-0 in the House and 33-0 in the Senate.
– The fiscal note estimated $0 in new appropriations.
– The Colorado Department of Corrections had a false-positive rate of approximately 33% for its colorimetric testing program.

Key Takeaway: Researchers estimate 30,000 Americans — including 961 Georgians — are falsely arrested annually on drug tests that fail up to 38% of the time, while 89% of prosecutors accept guilty pleas without lab confirmation.

Context and Background

What are colorimetric field drug tests? These are $2 chemical kits that use color-change reagents to screen for suspected drugs. They detect chemical functional groups — such as amine groups or aromatic rings — rather than specific molecules. Many legal substances share these chemical characteristics with controlled substances. The Scott reagent, used for cocaine, reacts positively with lidocaine and common cold medications. The Marquis reagent, used for amphetamines, reacts with sugar and sugar substitutes. Results depend on subjective human interpretation of color changes, affected by lighting conditions, officer color vision, and confirmation bias. No federal agency regulates the manufacture or sale of these kits.

What has been falsely identified as drugs? Court records and investigative journalism have documented false positives from cotton candy (methamphetamine), Krispy Kreme donut glaze (methamphetamine), bird droppings (cocaine), powdered milk (cocaine), a toddler’s cremated ashes (MDMA/methamphetamine), prescription Ritalin (cocaine), lidocaine (cocaine), kitty litter (methamphetamine), stress ball sand (cocaine), and IBS medication (fentanyl).

Why does Georgia’s position matter? Georgia appellate courts established in Collins v. State (2006) and Fortune v. State (2010) that positive field test results alone are sufficient to sustain a drug conviction without crime lab confirmation. No other state permits this. Combined with Georgia’s felony classification for virtually all non-marijuana drug possession (carrying 2 to 15 years), this creates a system where people face severe criminal penalties based on evidence that fails up to 38% of the time — with no legal requirement for scientific confirmation.

The Harris County precedent: The largest documented mass wrongful conviction from field tests occurred in Harris County, Texas, where at least 298 people were convicted of drug possession between 2004 and 2015 despite crime lab tests later finding no controlled substances. The innocent pleaded guilty an average of four days after arrest. Harris County’s Conviction Integrity Unit ultimately overturned 131+ convictions. This crisis was only discovered because the Houston crime lab routinely tested evidence even after guilty pleas — a practice most jurisdictions do not follow.

The GBI lab backlog: Georgia’s crime lab — the second-oldest statewide crime lab in the country — serves approximately 800 law enforcement agencies across 159 counties. In 2019, the drug testing backlog reached 19,112 items. The lab has made progress: in 2024, it received approximately 103,000 testing requests and reported back approximately 105,000, reducing the backlog by 11%. But turnaround times of weeks to months still create a gap during which defendants face pressure to plead guilty rather than wait in jail for exonerating results.

The Quattrone Center study: The January 2024 study by the University of Pennsylvania Carey Law School’s Quattrone Center for the Fair Administration of Justice is the first comprehensive national analysis of field drug test usage. The Quattrone Center called colorimetric field testing “one of the largest, if not the largest, known contributing factor to wrongful arrests and convictions in the United States.”

Key Takeaway: Georgia is uniquely vulnerable because it is the only state allowing field test convictions at trial, classifies most drug possession as a felony, and has historically faced significant lab backlogs.

Story Angles

1. “Georgia Stands Alone: The Only State Where a Color-Change Test Can Convict You”
A deep dive into Georgia’s unique legal landscape. While every other state requires some form of laboratory confirmation before a drug test result can be used to convict, Georgia appellate courts have held that field tests alone are sufficient. Interview opportunities: the Georgia Innocence Project (which has identified invalid forensic evidence as a factor in 44% of its exoneration cases), criminal defense attorneys familiar with Collins v. State and Fortune v. State, and the Quattrone Center researchers who flagged Georgia’s singular status. Key question: How many Georgians have been convicted based solely on field tests that were never confirmed by a lab?

2. “94 Days for Cotton Candy: The Human Cost of Georgia’s Field Drug Test Problem”
The story of Dasha Fincher, who spent 94 days in Monroe County Jail on a $1 million cash bond after cotton candy tested positive for methamphetamine. While incarcerated, she missed the birth of twin grandchildren and her daughter’s miscarriage. The GBI lab confirmed no controlled substances, but charges weren’t dropped until nearly a month later. Her federal lawsuit was dismissed on sovereign immunity grounds. The judge wrote: “Without a doubt, Plaintiff should never have spent 94 days in jail.” She received nothing. This story pairs with Ju’zema Goldring (nearly 6 months in Fulton County Jail for stress ball sand) and other Georgia-specific cases.

3. “Colorado’s Unanimous Vote: Can Georgia Follow?”
A legislative prospects story examining whether Georgia could pass a similar reform. Colorado’s law passed 65-0 and 33-0 with support from both the Innocence Project and ALEC — a rare bipartisan coalition. The fiscal note was $0. Georgia has a history of bipartisan criminal justice reform under Governor Deal, and Governor Kemp signed the Wrongful Conviction and Incarceration Compensation Act in 2025, providing $75,000 per year to exonerees. Potential sponsors, committee pathways, and coalition-building strategies are identified in the GPS analysis. Key question for lawmakers: If Colorado passed this unanimously with zero fiscal impact, what is Georgia’s objection?

Read the Source Document

The full GPS policy brief — Colorado’s Landmark Drug Test Law and What It Means for Georgia — is available here. It includes detailed legislative analysis, case law citations, a complete review of the Quattrone Center’s 2024 study, documented false-positive cases, and a concrete reform roadmap for the Georgia General Assembly.

Other Versions

This press briefing is one of four audience-specific versions of this analysis:

• Public Version — A plain-language explainer for general audiences
• Legislator Version — A policy brief for Georgia lawmakers and staff
• Advocate Version — A toolkit for organizations working on criminal justice reform