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MIAMI (CBSMiami) – Surveillance cameras inside a convenience store captured a man’s desperate plea for help after he was shot outside a Quick Mart Food Store’s parking lot on Saturday.

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“I walked in the store to get a couple of soft drinks, and before I know it I heard one shot,” said Christopher Miles. “He (the victim) ran in the store holding his belly and fell to the ground, and I jumped on the phone and called 911.”

Miles quickly got on the phone and called for help, as did the store’s clerk who did not want to be identified.

“I ask him, ‘Do you know him? Do you know him before?’ and he say, ‘No. I don’t know him. I see him outside. He steal my car,” the clerk recalled.

It would be several minutes before rescue crews arrive, but in the meantime customers continued shopping, stepping over the victim.

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According to Miami-Dade Police, the suspect shot the victim after the two exchanged words outside in the parking lot just off NW 168th St. and 47th Ave.

The suspect took the victim’s keys from his pocket after the victim collapsed. The shooter then fled in the victim’s 2001-2004 two-door light blue BMW convertible with a blue convertible top, with Florida license tag CVWA13.

“I don’t have no words to explain it,” said the victim’s sister, Judy Nunez.

Outside Jackson Memorial Hospital, where the victim was taken, two women identify the victim as 38-year-old Robert Nunez – their younger brother.

Thank God my brother is not dead, but he could have killed him, you know, for nothing. For a car,” said Robert Nunez’s other sister, Cristina Urena.

Nunez’s sisters’ main concern is that the father of four makes it through this.

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“God I’m asking for my brother’s healing. That’s first thing. The car, I don’t care for. And I hope that that person, that God puts something in his heart to stop doing bad things to other people,” said Urena.