BEND, OREGON - Parent who pursued and shot elementary school shooter John J. Griffin has been identified as Kaylub Giamanco, his brother tells NBC News.

Kaylub Giamanco was driving home from lunch when he heard gunshots and saw a gunman entering the Oregon elementary school his two young daughters attend.

Armed with a long gun, the 36-year-old carpenter ran into the school and killed the teenage suspect.

Kyle Giamanco identified his brother as the bystander who intervened in the Thursday afternoon shooting. He recounted to NBC News on Friday what he was told happened.

Officials have not named the community member who killed the shooter, but said the person’s actions prevented further loss at Silver Rail Elementary School.

Kyle Giamanco said his brother told him he was headed home after grabbing a bite to eat when he saw the gunman entering the school.

Police have said that the suspect, identified by three senior law enforcement officials as John J. Griffin, 16, gained entry to the building by firing through locked doors.

Two of the officials said the gun used in the shooting was purchased by the suspect’s mother around the time of his birthday in August.

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