{"id":3819,"date":"2026-08-17T14:35:04","date_gmt":"2026-08-17T14:35:04","guid":{"rendered":"https:\/\/coloradospringsmoverss.com\/?p=3819"},"modified":"2026-08-17T14:35:04","modified_gmt":"2026-08-17T14:35:04","slug":"a-man-killed-himself-by-walking-in-front-of-a-frontier-flight-at-dia-how-common-are-these-security-breaches-at-denvers-airport","status":"publish","type":"post","link":"https:\/\/coloradospringsmoverss.com\/?p=3819","title":{"rendered":"A man killed himself by walking in front of a Frontier flight at DIA. How common are these security breaches at Denver\u2019s airport?"},"content":{"rendered":"
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Six trespassers have breached the fence around Denver International Airport since 2023, culminating in the May crash with a Frontier Airlines flight that killed a person who scaled the security fence and walked onto a runway, police records show.<\/p>\n

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In one of those cases, a man crashed through a perimeter fence gate, causing more than $2,000 in damage as he drove onto the airfield, according to records obtained from the Denver Police Department. In another, a man jumped the fence after crashing his car nearby and was found sitting on an active taxiway at about 6:40 a.m. A third fence-hopper told police he was trying to walk to Texas.<\/p>\n

Airport safety experts say the number isn\u2019t immediately alarming. While incidents may appear to be happening more frequently, it\u2019s likely a matter of better detection and increased reporting, said Annmarie Heth, an assistant professor of aviation and aerospace sciences at the Metropolitan State University of Denver.<\/p>\n

Heth has worked in the aviation industry since 2009, spending years as both an airport operations manager in Florida and a flight coordinator for a Colorado flight school.<\/p>\n

Fatal incidents like the May crash that killed Michael Mott are extremely rare, Heth said. Advanced technology means security can usually catch trespassers before something bad can happen, she said.<\/p>\n

\u201cFences are there to keep honest people out,\u201d Heth said. \u201cIf somebody is really intent on getting through a fence, they\u2019re going to get through.\u201d<\/p>\n

Mott, 41, scaled DIA\u2019s 8-foot, barbed-wire-topped security fence and walked onto a runway shortly before 11:20 p.m. on May 8. He was struck and killed by a Frontier plane accelerating for takeoff, and Denver Chief Medical Examiner Dr. Sterling McLaren ruled his death a suicide.<\/p>\n

Mott\u2019s breach of the airport security fence was unusual, but not the airport\u2019s first encounter with trespassers, according to police records.<\/p>\n

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Since January 2023, Denver police officers have responded to six cases of people breaching the airport perimeter fence, including the fatal May crash, and two trespassing cases in which people jumped the boundary fence into the airport\u2019s warehouse area, police records show. The earliest incident in 2023 occurred in September, according to those records.<\/p>\n

At least two of the airport\u2019s eight trespassers had active arrest warrants at the time of their breach \u2014 one for a failure to appear in Denver court on a traffic charge and one for motor vehicle theft, according to the probable cause statements.<\/p>\n

The report for the incident resulting in Mott\u2019s death was not yet available because the case remains under investigation.<\/p>\n

DIA officials declined to comment on the trespasses.<\/p>\n

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It\u2019s difficult to know how DIA\u2019s perimeter breaches compare to the rest of the country because airports all report trespassing incidents differently and there\u2019s no national database, Heth said.<\/p>\n

But the Federal Aviation Administration does keep track of runway incursions at airports with traffic control towers, including DIA, according to the agency.<\/p>\n

Incursions boil down to planes, vehicles and people being in the wrong place at the wrong time. According to the FAA, incursions include air traffic control errors that don\u2019t leave enough space between planes and obstacles on runways or that clear aircraft to take off from or land on closed runways; pilot actions that violate federal aviation regulations, like crossing runways without clearance; and pedestrians or vehicles entering airport runways or taxiways without authorization.<\/p>\n

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Of the 19,482 airports in the United States, 527 have air traffic control towers, according to the FAA. Just over 5,100 of those airports are public, and more than 14,300 are private.<\/p>\n

Roughly 5,890 runway incursions were reported at airports with air traffic control towers between January 2023 and June 2026, according to quarterly totals from the FAA\u2019s runway incursion database. Of those, 1,022 involved unauthorized pedestrians or vehicles entering the airfield.<\/p>\n

Only two of the incidents documented by police at DIA during that time appear in the FAA\u2019s database. A total of 37 incidents involving unauthorized vehicles and pedestrians at the Denver airport show up in the database, dating back to April 2006.<\/p>\n

The Denver Police Department has a dedicated Airport Police Bureau at DIA \u201cwith officers at the ready to swiftly respond to emergencies and safety issues,\u201d police spokesman Doug Schepman said in a statement.<\/p>\n

\u201cThe Airport Police Bureau works closely with Airport Operations at DEN and monitors operational data, and the bureau adjusts resources when trends are identified,\u201d Schepman said. \u201cThis is the same approach the Denver Police Department takes in its citywide operations.\u201d<\/p>\n

The FAA and National Transportation Safety Board declined to comment on DIA\u2019s perimeter fence breaches.<\/p>\n

\u201cTrespassing doesn\u2019t necessarily equal a security failure,\u201d Heth said. \u201cThe fact that we\u2019re talking about these right now often means that the system worked. The alarms were activated, the airport operations center sent out law enforcement and they responded.\u201d<\/p>\n

When Heth worked as an airport operations manager at Pensacola International Airport in Florida, a position she held from 2009 to 2015, she said a gust of wind was enough to set off the warning sensors and launch an investigation into the potential trespasser.<\/p>\n

Now, alarms and cameras are more sophisticated, and it\u2019s much easier to catch fence jumpers before anything bad happens, she said.<\/p>\n

\u201cWe\u2019ve got better analytics, better technology, an improved reporting culture and better training with our airport employees,\u201d Heth said. \u201cI don\u2019t think that it\u2019s anything alarming or dramatic.\u201d<\/p>\n

Still, Heth said it\u2019s important that airport officials look at each incident and learn from it, \u201cclosing any vulnerabilities\u201d that may have made it easier for people to enter the secured airfield.<\/p>\n

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Michael Mott, 41, scaled DIA’s 8-foot-tall, barbed-wire-topped security fence and walked onto a runway shortly before 11:20 p.m. on May 8.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,26],"tags":[],"class_list":["post-3819","post","type-post","status-publish","format-standard","hentry","category-news","category-transportation"],"yoast_head":"\nA man killed himself by walking in front of a Frontier flight at DIA. 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