NFL fans are in mourning after this player's father was killed in an airport shooting

Our thoughts and prayers are with the family

A Southwest Airlines employee was killed in a shooting outside of the Will Rogers International Airport in Oklahoma City Tuesday afternoon, and the NFL was stunned to learn the victim is the father of a player on the Kansas City Chiefs.

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Oklahoma City police identified the dead  man as Michael Winchester, 52. He's the father of James Winchester, the long snapper for the Kansas City Chiefs.

The NBC affiliate in Dallas, Texas tweeted out a photo of father and son.

Details remain sketchy. According to an ABC television report, authorities received a report of shots fired in the airport's parking lot area. The victim later died of his injuries.

The shooter remains on the loose, and authorities don't have a motive.