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MIAMI (CBSMiami) – A drive-by shooting has claimed the life of another Miami teen.

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Randall Robinson III was killed late Thursday night at NW 3rd Avenue and 53rd Street.

“My son Randall Robinson III 3rd walked to the store. There was a drive-by. Someone killed him about 9:30 last night,” said Robinson’s father Randall Robinson II.

Crime scene technicians recovered more than a dozen spent shell casings.

The 17-year old was a 10th grade student at Miami Northwestern Senior High School.

Friday morning, Miami-Dade Public Schools Superintendent Alberto Carvalho expressed his outrage at another young life cut short by senseless violence.

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Police have not said what may have led up to the shooting.

“He played football his 9th grade year. He was in his 10th year and sitting out football. My son’s a B-C student and he hoped to go to college. He was a good young man and I’m going to miss him. I am going to miss him,” said Robinson.

Robinson said his son had aspirations of one day trying to play professional football but he had hurt his knee while wrestling.

He said he last spoke to his son about a half an hour before he was killed and has no idea who would do this or why.

“I’m asking anyone that knows anything, please it’s not just my son’s death. It’s a whole lot of innocent young men, young women, a whole lot of innocent people that needs someone to help them out,” said Robinson. “Please if anyone knows anything, please call Crime Stoppers. Call anyone, your local police station. Anyone please.”

This was the second Northwestern Senior High student killed this week.

Last Monday Maurice Harris , 17,was standing outside when he was gunned down around 6:30 p.m. near 54th Street and NW 13th Avenue.

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Rescue crews rushed the Harris to Jackson Memorial Hospital where he died.

It was just two weeks before his 18th birthday. The motive is still under investigation.

A Miami Police spokeswoman said police are looking into whether the two murders are connected.

The death of a second student in less than a week has outraged Carvalho.

“How is it in any community in America that two young people are killed or assassinated on the streets of Miami,” said the Superintendent.

Carvalho spoke out against the unwritten code as he and grief counselors spoke with students at Miami Northwestern Senior High.

“There is a code of silence out there that is killing kids. People out there know more than what they are saying. I can tell you that no amount of prayer is going to match up against the need for courage of those that know something and must speak up to bring an end to this cycle of violence.”

Friday night Northwestern’s football team took the field against American Heritage in Plantation. Prior to the game, retired Miami-Dade educator and high school football announcer William Wilcox implored students to put the guns away. He also asked for a moment of silence for the victims. Later, Wilcox told CBS 4 News that if anyone knows who killed Harris and Robinson, they should speak up.

“It’s not a matter of snitching,” Wilcox said. “It’s a matter of trying to stop this violence. And if the police can get to the bottom of it with the information they receive, that’s good.”

Parent Leon McTear also said violence is out of hand and he offered a solution.

“We need to put the guns down in the community,” he said. “If you have a gun and it’s not registered and you’re not law enforcement, you need to put the guns down and turn the guns in.”

Students are hurting.

“I knew him as a friend and like just the other day I was talking to him and now he’s gone,” said Cierra Oakley. “It’s just devastating.”

“I think it’s sad that kids are dying so young. I think it’s a shame when you go out and you wonder how or when you might be shot to death,” said Miami Northwestern 11th grader Tamera Denmark.

“I believe that people should speak out and do what they can to stop this violence,” said 12th grader Kelly Dumont.

9th grader Travon Jackson said, “He was a good student. It is tragic.”

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Anyone with information on either shooting is asked to call Crime Stoppers at (305) 471-TIPS. There is a reward of up to$3,000 in each case.