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Brent Allen Thompson

Age : 28

Gender : Male

Race : White

Date : 02/19/2023

Location : Interstate 25 near Mountain Vista Drive exit

City : Fort Collins

County : Larimer

State : Colorado

Agency : Larimer County Sheriff’s Office

Officer(s) :Lorenzo Lujan

Cause of Death : Vehicle

Event : Killed by vehicle after being tasered during traffic stop

OPEN RECORDS SUMMARY :

On 02/19/2023, a Larimer County Sheriff’s deputy conducted a traffic stop along Interstate 25 near the Mountain Vista Drive exit after observing a vehicle with expired registration. Deputy Lorenzo Lujan approached Brent Allen Thompson during the roadside stop. Authorities reported Thompson provided a false name during the interaction and then suddenly ran from the shoulder area on foot toward the interstate corridor. Deputy Lujan chased him on foot and deployed a Taser during the pursuit as Thompson ran adjacent to and then toward active traffic lanes. After the Taser deployment, Thompson continued moving and entered the interstate where he was struck by an oncoming vehicle and died at the scene from collision-related injuries.
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Armed status and reason for flight: Investigative reporting and official statements did not indicate that Brent Allen Thompson was armed with any firearm or weapon during the encounter. No weapon recovery was reported at the scene. The stop originated from expired vehicle registration rather than a violent offense. Public reporting did not confirm the presence of any active violent warrants at the time of the stop, and no reporting established a clear, documented motive for why he ran from deputies. Available records indicate he gave a false name before fleeing, but no confirmed violent warrants or immediate criminal threat were identified as the basis for the stop. No definitive reason for his flight was established in investigative summaries, and the available narrative centers on sudden flight during a minor traffic stop rather than an attempt to evade arrest for a serious offense.
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Incident reconstruction and sequence: Investigators determined the encounter escalated rapidly from a low-level traffic stop into a foot pursuit within seconds along a high-speed interstate environment. Body camera and investigative summaries indicated Thompson ran along the roadway edge during the chase. Deputy Lujan deployed a Taser while pursuing him on foot near active traffic lanes rather than during a stationary arrest situation. Following the Taser deployment, Thompson did not immediately collapse and instead continued forward movement into the interstate lanes where he was struck by a passing vehicle traveling at highway speed. Emergency responders arrived quickly, but he was pronounced dead at the scene due to the severity of impact injuries.
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Forensic and medical findings: The Larimer County Coroner ruled the cause of death as blunt force injuries from being struck by a vehicle, with Taser exposure and foot pursuit circumstances contributing to the fatal chain of events. Autopsy and investigative review focused on exertion, environmental risk, and the timing of the Taser deployment relative to Thompson’s movement into traffic. No firearm discharge occurred during the incident. Taser probe contact was confirmed prior to the fatal roadway entry, and the death was medically attributed to the vehicle collision rather than electrical weapon effects alone.
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Identity and personal background: Local reporting described Thompson as a young adult living in Northern Colorado with ties to the Loveland and Fort Collins area. Coverage described him through references to his local residency and family connections in the region, emphasizing that the initial stop stemmed from expired registration and that no violent crime context was present in the encounter. Reporting referenced prior minor legal issues primarily related to traffic and low-level offenses, with no indication of a violent criminal background in the coverage surrounding the incident.
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Family response and public statements: Thompson’s family publicly contested the official narrative and raised concerns about the decision to deploy a Taser during a foot pursuit next to an active interstate highway. Relatives argued that the escalation from a minor registration stop to a Taser-assisted foot chase created a foreseeable risk that pushed him into traffic. Family members emphasized he was unarmed and stopped for a nonviolent violation before the encounter turned fatal. Public statements and media interviews framed the case as an example of how force decisions during foot pursuits near highways can produce lethal outcomes even when the initial stop involves a low-level infraction.
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Lawsuit and litigation outcome: A federal civil lawsuit was filed against Larimer County and Deputy Lorenzo Lujan alleging excessive force and wrongful death. The complaint argued that deploying a Taser during a foot pursuit adjacent to high-speed interstate traffic created a dangerous and predictable chain of events leading directly to Thompson’s death. Plaintiffs asserted the force was disproportionate to the underlying violation and that safer tactical alternatives were available. Reporting confirms the lawsuit advanced through federal court proceedings rather than being immediately dismissed, focusing on constitutional excessive force standards, policy, and training related to Taser use during foot pursuits in roadway environments. Public follow-up reporting indicates the case proceeded through litigation stages with legal arguments centered on causation and foreseeability, and there has been no widely reported final jury verdict or high-profile dismissal documented in mainstream follow-up coverage.
***Prosecutorial and administrative review: The Larimer County District Attorney’s Office reviewed the incident and cleared Deputy Lorenzo Lujan of criminal wrongdoing, concluding the use of force fell within Colorado legal standards. Administrative review included body camera analysis, supervisory review, and coordination with the coroner’s office. No criminal charges were filed against the deputy following the investigation.
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Important institutional detail: Deaths that occur during foot pursuits involving intermediate force such as Tasers are frequently classified medically as vehicle impact or blunt force trauma rather than force-related fatalities, even when force deployment is a contributing factor in the chain of events. This layered causation structure often shifts accountability disputes into civil litigation rather than criminal prosecution, particularly in cases where the initial stop involves a nonviolent offense and the fatal injury results from environmental hazards such as roadway traffic.

SOURCE LINKS :

https://www.denverpost.com/2023/02/19/larimer-county-sheriff-road-death/
https://www.reporterherald.com/2023/02/28/coroner-loveland-man-killed-in-north-fort-collins-after-fleeing-feb-18-traffic-stop/
https://www.cbsnews.com/colorado/news/taser-death-interstate-25-lorenzo-lujan-brent-thompson-larimer-county-sheriff-deputy-death-lawsuit/
https://www.yahoo.com/news/man-hit-car-during-traffic-145525138.html
https://thebrunswicknews.com/news/national_news/man-dies-during-traffic-stop-in-colorado/article_1a91e79f-b02c-53a4-bddd-d61a5d798396.html