The updated lawsuit in U.S. District Court suggests that Allen, who was a SWAT team sniper, recklessly discharged his gun or accidentally discharged his gun, resulting in the death Walker's death.

The US National SWAT Championships and the US SWAT Sniper Championships are properties ... AS competitions are phsycially demanding and test team and individual skills, organization, weapons ...

Police say a gunman who barricaded himself in a building near downtown Farmington after shooting another person turned the gun on himself during a standoff with a SWAT team Sunday night.

Mark Lang is the Director of Sniper Training for Tacflow Academy. Nearing a 30-year career in law enforcement he has spent a majority of it as a member of a Tier 1 Full-time SWAT team in North Texas.