He was charged with assault.
Coffey is alleged to have fired three shots, one that went through the wall of Jeffrey Langhorne's house.
The bullet struck Langhorne in the face as he sat at his kitchen table.
Coffey apparently randomly fired the shots in the rear of the house, police said.
Two other bullets lodged into the walls of the Provost Avenue home, leaving gaping holes.
The victim, who attends Frank P. Long Intermediate School, was not the intended target of the semiautomatic gunfire.
Brookhaven town officials also took more than a dozen pit bulls from the home after the shooting.
Charges would be upgraded against Coffey if the boy dies.
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