ST. LOUIS — A man who killed a motorist at a stoplight in April had been shot by the same motorist in a dispute four years earlier, authorities alleged this week in court documents.
Samuel Lamont Hayes Jr. was charged Thursday with first-degree murder and armed criminal action in an afternoon attack April 13 at the intersection of Page Boulevard and North Sarah Street.

Samuel Hayes Jr.
The motorist, Bryan Boyle, was sitting in his car, waiting for the streetlight to change, when a gray Dodge Charger car pulled alongside him. Police said the driver of the Charger shot Boyle then drove away.
Boyle, 35, was shot in his torso and died at a hospital. He lived in the 1400 block of Enright Avenue.
Hayes, 30, was being held without bond Friday. He lives in the 3000 block of Franklin Avenue in ӣƵ.
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According to court documents, Hayes and Boyle had a violent run-in before. They were in a dispute in 2020 when Boyle shot Hayes. No charges were filed in that old case, ӣƵ police Detective Benjamin Lacy said in court documents. Authorities didn't say how badly Hayes was injured.
After the April 13 homicide, detectives found that a bar's surveillance camera showed the Charger pulling alongside Boyle's vehicle. Police checked the Charger's license plate number and the vehicle was registered to Hayes' girlfriend. Hayes was seen entering a store in the area shortly before the shooting.
The next day, police found Hayes' girlfriend driving the car. She told police that she had been at work the day before and that Hayes had access to her car.