The unfolding controversy surrounding Denver International Airport (DIA) and the City Attorney’s office centers on a high-stakes clash between local politics and federal oversight. At the heart of the issue is a rejected lease agreement for Key Lime Air, a charter company that drew the ire of the Denver City Council after it was revealed they were contracted to transport federal immigration detainees. When the council voted down the routine lease, they inadvertently created a massive legal liability. Because the Federal Aviation Administration (FAA) requires cities to treat all airlines equally, this politically motivated denial put $90 million in vital federal grant funding at risk.
The incident gained national attention following a federal lawsuit filed by former airport attorney Everett Martinez, who was placed on administrative leave earlier this year. In his complaint, Martinez alleged that City Attorney Miko Brown orchestrated an unethical damage-control scheme during a high-level meeting on January 6. According to Martinez, Brown pushed for airport staff to launch a retroactive safety investigation into Key Lime Air—not because of actual concerns, but to create a legal “pretext” to justify the council’s vote if the FAA decided to audit the city’s decision.
For months, the City Attorney’s office and Mayor Mike Johnston’s administration vehemently denied these allegations. They publicly dismissed the lawsuit as the work of a “disgruntled employee,” with a spokesperson for the Mayor explicitly stating that no demand for a “fake investigation” was ever made. This unified front of denial was designed to paint the accusations as baseless and defamatory. However, the discovery of a contemporaneous internal memo written by Martinez just days after that January 6 meeting has significantly complicated the city’s defense, as the document was officially acknowledged and stored by the airport’s executive leadership.
The memo paints a starkly different picture of the meeting, quoting Brown as advising staff to “investigate Key Lime yourselves” specifically so the city could have a defense “in their back pocket” if the FAA came knocking. Perhaps most damningly, the document records Brown telling an airport lawyer that, in terms of legal strategy, “a bad argument is better than no argument.” The memo further details subsequent pressure, noting that Brown continued to push for this safety inquiry days later, even after the initial meeting concluded, suggesting a persistent effort to manufacture evidence to defend a political decision.
Legal experts, such as First Amendment specialist Steven Zansberg, suggest that the existence of this memo creates a severe “political exposure” for the administration. Zansberg notes that while the initial attempt to generate a fake investigation was problematic, the city’s subsequent, categorical public denials may represent an even greater liability. By aggressively labeling the whistleblower’s account as a lie, the city has essentially placed its credibility on the line. The memo serves as a primary source that challenges the official record, forcing the public to question who authorized the denials and how far up the mayoral chain of command this directive actually traveled.
As the litigation grinds on, the city maintains that the accusations lack merit, pointing to a judge’s previous review of documents and arguments which allegedly found no evidence of crime or fraud. Despite the City’s claims that they were unaware of the memo until recently, the disconnect between their public statements and the internal records of the people who were actually in the room is stark. While it is fortunate that the airport staff ultimately rejected the proposal and no fake investigation was ever launched, the episode remains a cautionary tale about the dangers of using municipal power to circumvent federal transparency, as well as the risks of doubling down on a narrative that the internal record effectively contradicts.