A devastating school shooting that claimed the lives of three children and a teacher has taken another emotional turn after the father who stopped the teenage attacker revealed what happened inside Silver Rail Elementary School.

Kaylub Giamanco, a 36-year-old carpenter and father of two, has described the terrifying confrontation that ended the October 15 attack. His account offers a disturbing glimpse into the final moments of the violence, while leaving one haunting question unresolved: What drove a 16-year-old former student to target an elementary school?

The attack left four people dead, two others injured and an entire community struggling to understand an unimaginable tragedy.

A Routine Drive That Became a Nightmare

Giamanco was heading home for lunch when he noticed an armed teenager near the school attended by his two daughters.

According to his interview with Oregon Public Broadcasting, he initially struggled to comprehend what he was witnessing. But when he saw the teenager approaching the school grounds with a firearm, panic overwhelmed him.

His immediate concern was for the children inside.

He called emergency services while driving into the parking lot, but feared there was no time to wait.

The father retrieved a handgun from his vehicle and made a decision that would change his life forever.

He entered the building, knowing that he might not survive.

The Terrifying Discovery Inside the Classroom

As Giamanco approached the classroom, he heard gunfire and children crying.

Through a window, he spotted a teacher struggling with the armed teenager.

The teacher’s intervention created a brief opportunity.

Giamanco opened the classroom door and fired at the attacker.

The teacher immediately fled, apparently fearing that another armed individual had entered the building.

Giamanco later explained that the teenager attempted to reach for his weapon again, prompting him to fire additional shots.

The confrontation ended with the gunman’s death.

Authorities subsequently credited Giamanco and the teacher with preventing further casualties.

But by the time the violence stopped, three children, aged five, eight and eleven, and 25-year-old teacher Megan Lambert had already lost their lives.

The Evidence — And The Motive Nobody Can Yet Explain

As investigators reconstructed the sequence of events, attention turned toward the teenage attacker, identified in reports as Griffin J. John II.

The reported evidence and witness accounts established crucial details about how the attack unfolded, including the teenager’s entry into the school and the confrontation that ended the violence.

However, the question of motive remains separate from the established sequence of events.

Contrary to claims circulating in sensationalized accounts, there was no final interrogation or confession from the teenager. He died during the confrontation, making such an admission impossible.

The available reporting does not establish a verified confession revealing why he carried out the attack.

That unanswered question continues to hang over the tragedy.

The Father’s Most Heartbreaking Admission

Although many have praised Giamanco for his courage, he has struggled with the emotional consequences of his actions.

During his interview, he described the physical terror he experienced and the overwhelming responsibility he felt toward the children.

He also expressed deep gratitude toward the teacher who confronted the attacker before he entered the classroom.

Rather than celebrating his own actions, Giamanco has focused on the families whose children never returned home.

He wishes he could have arrived sooner.

His words reveal the painful reality behind a moment widely described as heroic: stopping an attacker does not erase the devastation already inflicted.

A Community Still Waiting For Answers

For the families in Bend, the investigation is about more than reconstructing a violent afternoon.

It is about understanding how such an attack could happen, whether warning signs were missed and what might prevent another tragedy.

Giamanco’s testimony has provided a clearer picture of the confrontation that ended the shooting.

Yet the most disturbing mystery remains unresolved.