Who was the gunman who opened fire at Oregon elementary school leaving four dead?

A gunman is dead after opening fire at an Oregon elementary school on October 15.
Police rushed to Silver Rail Elementary School around 1 p.m. after receiving reports of an “active shooter.”
Law enforcement arrived within two minutes, officials said. The shooter was dead shortly after police got to the Bend, Oregon, school. A department spokeswoman said a bystander may have shot the suspect – but that detail still needed to be confirmed.
Four people were killed in the shooting, and the gunman was shot at the scene. Police have said that children are among the victims.
As police continue to investigate the shooting, here is everything we know about the suspected gunman:
Police have not released any details about the shooter, including the person’s name. The shooter was killed at the scene soon after the gunfire began.
Authorities have not detailed a motive and say the shooting remains under investigation.
At least two people were taken to the hospital after the shooting. Police have said there were “multiple victims.”
Several officials have spoken out after the shooting.
“We are stunned and heartbroken by this senseless tragedy,” Bend-La Pine Schools Superintendent Steven Cook. “We extend our deepest sympathy to the families and to everyone affected by this violence. No words can adequately express the grief our community is experiencing. Our immediate priorities are caring for our students and staff and assisting law enforcement and emergency responders.”
FBI Director Kash Patel stated: “FBI Portland is on the scene and assisting our local partners in the investigation regarding an earlier shooting at a local school. We will make every resource they need available.”
