The 65-year-old was outside a liquor store in a residential area when an unknown person opened fire from an approaching car, TMZ reported.

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Jefferson Sr. was pronounced dead at a local hospital where he was taken following the fatal incident.

The reasons behind the murder remain unknown and detectives are continuing their investigations.

Richard Jefferson, who is currently a free agent, has played 17 seasons in the NBA, claiming the championship title with the Cleveland Cavaliers in 2016.

The 37-year-old forward has recently appeared as a TV pundit, and averaged 8.2 minutes per game in 20 games for the Denver Nuggets last season.