Murdered Teen Antonio Johnson's Kidney Donated To Sick Grandmother

09/29/2011 10:04 am ET | Updated Nov 29, 2011

A 15-year-old boy, who was declared brain dead after a drive-by shooting over the weekend, died from his injuries this week -- and his kidney was given to his ailing grandmother.

Antonio Johnson was reportedly walking into his West Side home with his mother Sunday when shots were fired from a passing vehicle. Johnson was shot in the head, and was on life support until Tuesday. His mother suffered a gunshot wound to her arm, but has since been released from the hospital.

The Chicago Tribune reports that earlier this year, Johnson's mother told her son that his grandmother was very ill, and needed a kidney transplant. The teen offered one of his own.

“And I told him, ‘Not if you plan on playing any sports,’” Annette Johnson told the Tribune. Antonio played football at Chicago’s Marshall High School. “I was like: ‘It’s cool. She’ll get one.’”

On Wednesday, doctors performed the transplant on Antonio's grandmother--who was paralyzed decades ago in a shooting, the Tribune reports.

Detectives told Fox Chicago they do not believe the teen or his mother were the shooter's intended targets, and the boy's former dean, Derrick Bass, said he was a good student and athlete.

“He was a very good student who hung out with a good crowd of kids and flew under the radar,” Bass told the Chicago Sun-Times.

A suspicious fire was reported in the Johnson residence prior to the shooting, and shots were reportedly fired at the Garfield Park home before Sunday's fatal drive-by, according to the Sun-Times.

On Sunday, the shots were fired from an older model white or cream-colored vehicle. No arrests have been made as of Thursday morning.

WATCH ABC Chicago's coverage of the shooting here:

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