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Man Dies in Police Standoff in Van Alstyne

Police responding to a standoff in Van Alstyne.

Van Alstyne, October 22, 2025

News Summary

In Van Alstyne, Texas, a man identified as Jomaar Lee Davis barricaded himself in a vehicle and died from a self-inflicted gunshot during a police standoff. Davis was wanted for the murder of his girlfriend, Briana Casto, whose body was found in Carrollton. Despite crisis negotiations, communication broke down, leading to a tragic ending after police approached the vehicle. The incident caused disruptions in the local community, including nearby schools and businesses going on lockdown.

Van Alstyne — A man barricaded himself in a vehicle outside a business on Industrial Parkway in Van Alstyne, Texas, and later died from a self-inflicted gunshot wound during a police standoff early Tuesday morning, October 22, 2025.

Immediate overview

The man, identified as Jomaar Lee Davis, died after a confrontation with responding officers. Davis was a suspect in the murder of Briana Casto, 24, found dead in Carrollton, Texas, on Monday morning. A murder warrant had been issued for Davis following the identification of him as the suspect by Carrollton police detectives. Authorities traced Davis’s location through cell phone signals and located him in the parking lot of a business on Industrial Parkway, where he remained barricaded inside a vehicle.

Details of the standoff

A man barricaded himself in a vehicle outside a business on Industrial Parkway in Van Alstyne, Texas. The incident occurred early Tuesday morning, October 22, 2025. The man, identified as Jomaar Lee Davis, died from a self-inflicted gunshot wound. Davis was a suspect in the murder of Briana Casto, 24, found dead in Carrollton, Texas, on Monday morning. Casto was Davis’s girlfriend.

A murder warrant was issued for Davis following the identification of him as the suspect by Carrollton police detectives. Authorities were alerted to Davis’s location after signals from his cell phone led Van Alstyne police to the parking lot of Lacore Nutraceuticals at 1800 South Industrial Parkway. Davis was found in the vehicle belonging to Briana Casto.

Police response and negotiations

Crisis negotiators attempted to establish contact with Davis, but he eventually cut off communication. Van Alstyne police reported that when officers approached the vehicle after negotiations broke down, a gunshot was heard. Davis received immediate medical attention from the Van Alstyne Fire Department and was subsequently airlifted to a hospital by AirEvac. Despite efforts to save him, Davis succumbed to his injuries at the hospital.

Safety measures and community effects

During the incident, the local community, including Partin Elementary School, was affected; the school operated on a two-hour delay and buses ran later than usual. Texas Building Supply, located nearby, was placed on lockdown during the standoff. No officers or civilians were injured during the confrontation with Davis.

Coordination and agencies on scene

The Van Alstyne Police Department coordinated with multiple law enforcement and emergency services agencies to manage the situation. Responding teams included patrol units, crisis negotiators, fire department medics who provided immediate aid, and AirEvac personnel who transported the injured man to a hospital. Local officials put public safety measures in place while the scene was secured and investigators processed the area after the standoff ended.

What happens next

Investigators will continue work to confirm the timeline of events leading to the death of Briana Casto in Carrollton and the subsequent identification of Jomaar Lee Davis as a suspect. The Van Alstyne Police Department and Carrollton detectives are expected to coordinate evidence sharing and follow-up interviews as part of ongoing criminal and death investigations. Authorities have not reported any additional arrests in connection with the Carrollton death and the Van Alstyne standoff.

Background and context

Briana Casto, 24, was found dead in Carrollton on Monday morning. Authorities identified Davis as the suspect and issued a murder warrant before the mobile phone signals led officers to the parking lot at Lacore Nutraceuticals. The area where the standoff occurred is a commercial section of South Industrial Parkway, where nearby businesses and a local elementary school saw operational impacts during emergency response.

Key facts

  • A man barricaded himself in a vehicle outside a business on Industrial Parkway in Van Alstyne, Texas.
  • The incident occurred early Tuesday morning, October 22, 2025.
  • The man, identified as Jomaar Lee Davis, died from a self-inflicted gunshot wound.
  • Davis was a suspect in the murder of Briana Casto, 24, found dead in Carrollton, Texas, on Monday morning.
  • Casto was Davis’s girlfriend.
  • A murder warrant was issued for Davis following the identification of him as the suspect by Carrollton police detectives.
  • Authorities were alerted to Davis’s location after signals from his cell phone led Van Alstyne police to the parking lot of Lacore Nutraceuticals at 1800 South Industrial Parkway.
  • Davis was found in the vehicle belonging to Briana Casto.
  • Crisis negotiators attempted to establish contact with Davis, but he eventually cut off communication.
  • Van Alstyne police reported that when officers approached the vehicle after negotiations broke down, a gunshot was heard.
  • Davis received immediate medical attention from the Van Alstyne Fire Department and was subsequently airlifted to a hospital by AirEvac.
  • Despite efforts to save him, Davis succumbed to his injuries at the hospital.
  • During the incident, the local community, including Partin Elementary School, was affected; the school operated on a two-hour delay and buses ran later than usual.
  • Texas Building Supply, located nearby, was placed on lockdown during the standoff.
  • No officers or civilians were injured during the confrontation with Davis.
  • The Van Alstyne Police Department coordinated with multiple law enforcement and emergency services agencies to manage the situation.

FAQ

What happened during the Van Alstyne incident?

A man barricaded himself in a vehicle outside a business on Industrial Parkway in Van Alstyne, Texas.

When did the incident occur?

The incident occurred early Tuesday morning, October 22, 2025.

Who was the man involved?

The man, identified as Jomaar Lee Davis, died from a self-inflicted gunshot wound.

Was the man connected to another crime?

Davis was a suspect in the murder of Briana Casto, 24, found dead in Carrollton, Texas, on Monday morning.

What was the relationship between Davis and the victim?

Casto was Davis’s girlfriend.

Was a warrant involved?

A murder warrant was issued for Davis following the identification of him as the suspect by Carrollton police detectives.

How did authorities find Davis?

Authorities were alerted to Davis’s location after signals from his cell phone led Van Alstyne police to the parking lot of Lacore Nutraceuticals at 1800 South Industrial Parkway.

Where was Davis when officers arrived?

Davis was found in the vehicle belonging to Briana Casto.

Did negotiators try to contact him?

Crisis negotiators attempted to establish contact with Davis, but he eventually cut off communication.

What happened when officers approached?

Van Alstyne police reported that when officers approached the vehicle after negotiations broke down, a gunshot was heard.

Was medical help provided?

Davis received immediate medical attention from the Van Alstyne Fire Department and was subsequently airlifted to a hospital by AirEvac.

Did Davis survive?

Despite efforts to save him, Davis succumbed to his injuries at the hospital.

How did the incident affect the community?

During the incident, the local community, including Partin Elementary School, was affected; the school operated on a two-hour delay and buses ran later than usual.

Were nearby businesses affected?

Texas Building Supply, located nearby, was placed on lockdown during the standoff.

Were there any injuries to officers or civilians?

No officers or civilians were injured during the confrontation with Davis.

Who coordinated the response?

The Van Alstyne Police Department coordinated with multiple law enforcement and emergency services agencies to manage the situation.

Feature Detail
Date The incident occurred early Tuesday morning, October 22, 2025.
Location A man barricaded himself in a vehicle outside a business on Industrial Parkway in Van Alstyne, Texas.
Suspect The man, identified as Jomaar Lee Davis, died from a self-inflicted gunshot wound.
Victim Davis was a suspect in the murder of Briana Casto, 24, found dead in Carrollton, Texas, on Monday morning.
Relationship Casto was Davis’s girlfriend.
Medical outcome Despite efforts to save him, Davis succumbed to his injuries at the hospital.
Community impact During the incident, the local community, including Partin Elementary School, was affected; the school operated on a two-hour delay and buses ran later than usual.
Injuries No officers or civilians were injured during the confrontation with Davis.

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Additional Resources

STAFF HERE DALLAS WRITER
Author: STAFF HERE DALLAS WRITER

The DALLAS STAFF WRITER represents the experienced team at HEREDallas.com, your go-to source for actionable local news and information in Dallas, Dallas County, and beyond. Specializing in "news you can use," we cover essential topics like product reviews for personal and business needs, local business directories, politics, real estate trends, neighborhood insights, and state news affecting the area—with deep expertise drawn from years of dedicated reporting and strong community input, including local press releases and business updates. We deliver top reporting on high-value events such as the State Fair of Texas, Deep Ellum Arts Festival, and Dallas International Film Festival. Our coverage extends to key organizations like the Dallas Regional Chamber and United Way of Metropolitan Dallas, plus leading businesses in telecommunications, aviation, and semiconductors that power the local economy such as AT&T, Southwest Airlines, and Texas Instruments. As part of the broader HERE network, including HEREAustinTX.com, HERECollegeStation.com, HEREHouston.com, and HERESanAntonio.com, we provide comprehensive, credible insights into Texas's dynamic landscape.

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