Officials have identified the man who shot and killed a former co-worker before turning the gun on himself two weeks after he was fired from a transportation center in Harris County, Texas.
Marion Guy Williams, 65, returned to Knight Transportation's Katy Service Center on Wednesday morning, where he shot and killed 35-year-old employee Mike Dawid, according to the Harris County Sheriff's Office.
Officials said the shooter was armed with two guns — and shotgun and a pistol — and burst through the door shouting that his life had been ruined. He fired a "warning shot" and moved through the building as if looking for someone, authorities said.
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Police have not released the employees' job titles or described their relationship, but in a press conference after the shooting, Sheriff Ron Hickman surmised the victim may have been a supervisor.
A spokesperson for Knight Transprotation confirmed an employee was killed in the shooting, saying: "Our deepest sympathies are with the family during this difficult time."
At least one other employee injured by shrapnel was treated at the scene. An officer fell to his knee while entering the building and was taken to the hospital.
The Phoenix-based company, which provides nationwide truckload transportation services, said all work would be suspended at the facility while police investigate.