Christopher N. Osher (@chrisosher) profile picture

Christopher N. Osher

@chrisosher

Senior investigative reporter and editor at The Gazette. Former investigative reporter for @denverpost. Send tips. [email protected] 303-257-2601

 Denver, Colorado
gazette.com
Joined July 2009
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Photo by Christopher N. Osher (@chrisosher)Photo by Christopher N. Osher (@chrisosher)Photo by Christopher N. Osher (@chrisosher)Photo by Christopher N. Osher (@chrisosher)Photo by Christopher N. Osher (@chrisosher)Photo by Christopher N. Osher (@chrisosher)Photo by Christopher N. Osher (@chrisosher)Photo by Christopher N. Osher (@chrisosher)Photo by Christopher N. Osher (@chrisosher)Photo by Christopher N. Osher (@chrisosher)
Christopher N. Osher retweeted
Charles Ornstein (@charlesornstein) profile picture
Charles Ornstein@charlesornsteinOct 21
Echoing reporting by @DenverGazette and @propublica. Colorado Marijuana Regulators Failed to Protect Consumers From Potential Contamination, Audit Finds propublica.org/article/color… @chrisosher
Colorado Marijuana Regulators Failed to Protect Consumers From Potential Contamination, Audit Finds

Colorado Marijuana Regulators Failed to Protect Consumers From Potential Contamination, Audit Finds

Colorado’s Marijuana Enforcement Division may have put consumers at increased risk of using unsafe cannabis products, according to a state audit. The findings echo a yearlong investigation into the...

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Christopher N. Osher retweeted
Charles Ornstein (@charlesornstein) profile picture
Charles Ornstein@charlesornsteinSep 25
NEW: Colorado Marijuana Company Voluntarily Recalls Dozens of Contaminated Products Amid State Regulatory Delays propublica.org/article/marij… @chrisosher @DenverGazette

Colorado Marijuana Company Voluntarily Recalls Dozens of Contaminated Products Amid State Regulat...

After state officials failed to implement stricter testing protocols that were planned to take effect in July, a marijuana manufacturer recalled dozens of products when a third-party lab found...

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Christopher N. Osher retweeted
The Gazette (@csgazette) profile picture
The Gazette
@csgazetteSep 4
Regulators knew this marijuana product was harming people. It stayed on shelves for more than a year gazette.com/2026/09/04/regul…
Regulators knew this marijuana product was harming people. It stayed on shelves for more than a year

Regulators knew this marijuana product was harming people. It stayed on shelves for more than a year

Colorado’s Marijuana Enforcement Division can take months or even years to issue formal safety warnings about marijuana products even when it receives reports that the products are harming people’s...

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Christopher N. Osher retweeted
ProPublica (@propublica) profile picture
ProPublica
@propublicaSep 5
It took three years for Colorado regulators to warn consumers about a legal marijuana product contaminated with yeast and mold. The delay wasn’t an anomaly. propublica.org/article/color…
Regulators Knew This Marijuana Product Was Harming People. It Stayed on Shelves for More Than a...

Regulators Knew This Marijuana Product Was Harming People. It Stayed on Shelves for More Than a...

Colorado’s Marijuana Enforcement Division can take months or even years to issue formal safety warnings about marijuana products even when it receives reports that the products are harming people’s...

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Christopher N. Osher retweeted
The Denver Gazette (@DenverGazette) profile picture
The Denver Gazette
@DenverGazetteSep 4
Regulators knew this marijuana product was harming people. It stayed on shelves for more than a year buff.ly/SDgWAeH
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A trendy cannabis entrepreneur became the top seller of marijuana pills in Colorado. Regulators knew his sleep aid product was harming people. It stayed on shelves for more than a year. @propublica @chrisosher @evanwyloge @denvergazette denvergazette.com/2026/09/04…
Colorado can take months to warn consumers of risky cannabis products

Colorado can take months to warn consumers of risky cannabis products

Colorado’s Marijuana Enforcement Division can take months or even years to issue formal safety warnings about marijuana products even when it receives reports that the products are harming people’s...

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Christopher N. Osher retweeted
Charles Ornstein (@charlesornstein) profile picture
Charles Ornstein@charlesornsteinSep 4
Colorado’s failure to get Midnight Drops off the market or to warn consumers to stop taking it despite repeated reports of harm was not an anomaly, @DenverGazette and @propublica found. propublica.org/article/color…
Regulators Knew This Marijuana Product Was Harming People. It Stayed on Shelves for More Than a...

Regulators Knew This Marijuana Product Was Harming People. It Stayed on Shelves for More Than a...

Colorado’s Marijuana Enforcement Division can take months or even years to issue formal safety warnings about marijuana products even when it receives reports that the products are harming people’s...

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Christopher N. Osher retweeted
ProPublica (@propublica) profile picture
ProPublica
@propublicaSep 4
New: Colorado’s Marijuana Enforcement Division can take months or even years to issue formal safety warnings about marijuana products even when it receives reports that the products are harming people’s health, The Denver Gazette and ProPublica found. propub.li/4qSVvsf
Regulators Knew This Marijuana Product Was Harming People. It Stayed on Shelves for More Than a...

Regulators Knew This Marijuana Product Was Harming People. It Stayed on Shelves for More Than a...

Colorado’s Marijuana Enforcement Division can take months or even years to issue formal safety warnings about marijuana products even when it receives reports that the products are harming people’s...

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Christopher N. Osher retweeted
Luige del Puerto (@ldelpuerto) profile picture
Luige del Puerto@ldelpuertoSep 4
If you must read only one story today in Colorado, here it is: denvergazette.com/2026/09/04… (via: @chrisosher)
Colorado can take months to warn consumers of risky cannabis products

Colorado can take months to warn consumers of risky cannabis products

Colorado’s Marijuana Enforcement Division can take months or even years to issue formal safety warnings about marijuana products even when it receives reports that the products are harming people’s...

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Christopher N. Osher retweeted
Charles Ornstein (@charlesornstein) profile picture
Charles Ornstein@charlesornsteinSep 4
Compelling story about the gaps in Colorado's marijuana regulation: Regulators Knew This Marijuana Product Was Harming People. It Stayed on Shelves for More Than a Year. propublica.org/article/color… by @chrisosher @EvanWyloge @DenverGazette
Regulators Knew This Marijuana Product Was Harming People. It Stayed on Shelves for More Than a...

Regulators Knew This Marijuana Product Was Harming People. It Stayed on Shelves for More Than a...

Colorado’s Marijuana Enforcement Division can take months or even years to issue formal safety warnings about marijuana products even when it receives reports that the products are harming people’s...

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Christopher N. Osher retweeted
Kenneth P. Vogel (@kenvogel) profile picture
Kenneth P. Vogel
@kenvogelAug 7
Susie Wiles' son-in-law would benefit from a WH-backed pause on the intoxicating hemp ban, @RepAndyHarrisMD notes: “A senior WH person’s relative makes millions of dollars from selling this product, including products that end up in children’s hands.” denvergazette.com/2026/08/06…
Colorado man at center of push to delay federal hemp ban - Denver Gazette

Colorado man at center of push to delay federal hemp ban - Denver Gazette

A Colorado man is at the forefront of efforts to delay a federal ban on hemp, while his associates contended in litigation documents that he has claimed his ties to Trump’s chief of staff give him...

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Christopher N. Osher retweeted
Charles Ornstein (@charlesornstein) profile picture
Charles Ornstein@charlesornsteinMay 15
In a Private Meeting, Colorado Marijuana Regulators Acknowledge the Extent of Illegal Hemp Sales. @chrisosher got the recording! propublica.org/article/color… w/ @DenverGazette
In a Private Meeting, Colorado Marijuana Regulators Acknowledge the Extent of Illegal Hemp Sales

In a Private Meeting, Colorado Marijuana Regulators Acknowledge the Extent of Illegal Hemp Sales

Their remarks confirm testing done by The Denver Gazette and ProPublica, which found signs of hemp in marijuana vapes sold at dispensaries. One regulator said the extent of suspicious transactions...

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Christopher N. Osher retweeted
Jenny Deam (@jenny_deam) profile picture
Jenny Deam@jenny_deamFeb 27
In Colorado most rape cases go nowhere. Over past decade data shows out of every 10 reports there is only one arrest. Harrowing account of response by authorities and the victims who felt abandoned. ⁦ (Via The Denver Gazette) denvergazette.com/2026/02/27…
Colorado rape cases rarely result in an arrest. Here’s why.

Colorado rape cases rarely result in an arrest. Here’s why.

A Denver Gazette investigation found that across Colorado over the past decade for every 10 reports of sexual assault there is only one arrest. Most go nowhere.

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Jenny Deam (@jenny_deam) profile picture
Jenny Deam@jenny_deamFeb 27
In Colorado a woman reporting sex assault said police told her she should see “what real suffering looks like.” Then her case was dropped.” ⁦⁦@DenverGazette⁩ reveals how most rape cases go nowhere in the state. (Via The Denver Gazette) denvergazette.com/2026/02/27…
Sexual assault survivors face despair if blamed and disbelieved

Sexual assault survivors face despair if blamed and disbelieved

Victims of sexual assault are at high risk for post-traumatic stress disorder, both in the immediate aftermath of the attack and sometimes recurring months or years later, according to multiple...

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Colorado is mulling a potential overhaul to marijuana lab testing. @DenverGazette and @propublica teamed up last month with @chrisosher @EvanWyloge to show the current system relies on an honor code open to manipulation. denvergazette.com/2026/02/11…
Colorado marijuana regulators consider changes in testing sample products

Colorado marijuana regulators consider changes in testing sample products

Colorado marijuana manufacturers would no longer be allowed to choose which product samples they send for mandatory lab testing under a new regulatory proposal discussed at a policy forum on Friday.

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Here’s the original investigative report that showed cheap imposter hemp products have infiltrated the first regulated retail marijuana market in the nation. denvergazette.com/2026/01/29…
How Colorado failed to regulate and keep intoxicating hemp off the shelves

How Colorado failed to regulate and keep intoxicating hemp off the shelves

Colorado, which once served as the model for marijuana regulation, generated billions of dollars in tax revenue while promising to keep consumers safe. Now it’s scrambling to keep harmful hemp off...

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Christopher N. Osher retweeted
Charles Ornstein (@charlesornstein) profile picture
Charles Ornstein@charlesornsteinFeb 12
Colorado Marijuana Regulators Consider Major Changes to How Labs Test for Contaminants propublica.org/article/color… by @chrisosher @EvanWyloge @DenverGazette
Colorado Marijuana Regulators Consider Major Changes to How Labs Test for Contaminants

Colorado Marijuana Regulators Consider Major Changes to How Labs Test for Contaminants

Critics say the current method of allowing manufacturers to choose the samples they send to labs is vulnerable to abuse and allows contaminated products to reach dispensaries.

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Charles Ornstein (@charlesornstein) profile picture
Charles Ornstein@charlesornsteinJan 29
“When you have a market that is unregulated, difficult to assess and evolves very quickly, that is a calling card for nefarious agents to step in and make money.” How Intoxicating Hemp Seeped Into the First Recreational Marijuana Market in the Country propublica.org/article/color…
Smoke and Mirrors: How Intoxicating Hemp Seeped Into the First Recreational Marijuana Market in the...

Smoke and Mirrors: How Intoxicating Hemp Seeped Into the First Recreational Marijuana Market in the...

Colorado, which once served as the model for marijuana regulation, generated billions of dollars in tax revenue while promising to keep consumers safe. Now it’s scrambling to keep harmful hemp off...

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Daniel Boniface (@danielboniface) profile picture
Daniel Boniface@danielbonifaceJan 29
We partnered with @propublica on this story. Excellent reporting by @chrisosher and @EvanWyloge
The Denver Gazette (@DenverGazette) profile pictureThe Denver Gazette
@DenverGazetteJan 29
Colorado, which once served as the model for marijuana regulation, generated billions of dollars in tax revenue while promising to keep consumers safe. Now it’s scrambling to keep harmful hemp off the shelves. buff.ly/ejqg2aq
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Charles Ornstein (@charlesornstein) profile picture
Charles Ornstein@charlesornsteinJan 29
We Tested Vapes in Colorado for Signs of Hemp. This Is What We Found. propublica.org/article/color… by @chrisosher @EvanWyloge @DenverGazette
We Tested Vapes in Colorado for Signs of Hemp. This Is What We Found.

We Tested Vapes in Colorado for Signs of Hemp. This Is What We Found.

ProPublica and The Denver Gazette set out to test whether claims of widespread substitution of hemp for marijuana were accurate, purchasing vapes at dispensaries across the Denver area.

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