Updated

Surveillance video released by Oklahoma City police shows people rushing to help a Southwest Airlines employee after he was fatally shot while crossing a road outside the city airport.

Police say 45-year-old Lloyd Dean Buie killed 52-year-old Michael Winchester on Nov. 15. Winchester's body is barely in the camera's frame when he is shot.

Buie was later found dead in his pickup truck in the parking garage from which he shot Winchester.

The Oklahoman (http://bit.ly/2hyeCYl ) reports the video footage also shows Buie wandering around various areas of the airport for several hours on Nov. 11. Buie is then seen on the day of the shooting returning to his vehicle by taxi.

Authorities say the shooting was likely in retaliation for Buie having lost his job with the airline last year.

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Information from: The Oklahoman, http://www.newsok.com