Instagram post of rapper PnB Rock may have led to the killing.

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The gunman who murdered PnB Rock at the Roscoe's House in South Los Angeles demanded jewelry and other precious items before getting into a fight with the rapper.

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Moore said yesterday's attack happened after the rapper was tagged online, and the police are investigating what provoked the attack.

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During the attack, he had been at the restaurant with his girlfriend, who had shared a location-tagged photo in a since-deleted Instagram post.

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Moore said he was brutally attacked by an individual who arrived at the location after seeing the social media post.

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According to the sources, Rock was targeted for his jewelry.

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Muniz said Rock was shot immediately by the assailant during the robbery, and the victim was taken to a hospital and pronounced dead at 1:59 p.m.

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Los Angeles Police investigators are examining the security video inside the restaurant to identify the shooter. They also are checking surrounding businesses to see if security systems captured any image of the assailant.

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Rock has the mastership to blend melodies with his rapping, which made him a natural fit for hip-hop's next evolution.

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Rock's demise comes as authorities say they are up against a growing trend of "follow home" robberies.

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Rock's real name was Rakim Allen, who was native to Philadelphia.

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