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TULSA, Oklahoma Police in Oklahoma are investigating the murder of an Arlington man.

Robert Horton and a co-worker were delivering pizza dough from North Texas to a PapaJohn's store in Tulsa early Saturday morning. Police said Horton was shot and killed in a robbery gone bad.

No arrests have been made in the case.

Tulsa police are reviewing video from the area in an effort to identify a suspect.

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