Gravely wounded by an arrow fired into his head, a college instructor still managed to wrestle with his 25-year-old son who carried out the attack and give his students time to flee the classroom, say police who hailed the actions as heroic.
More grisly details of the horrific murder-suicide in Wyoming came to light Saturday, a day after the younger man killed his father's live-in girlfriend and then barged into his father's computer science class and shot him in the head with a high-powered bow and arrow.
As James Krumm, 56, then fought with son Christopher Krumm during Friday's attack, the handful of students in the Casper College classroom escaped.
Christopher Krumm had just stabbed to death 42-year-old Heidi Arnold at the home she shared with James Krumm two miles away.
When police arrived at the classroom, they found Christopher Krumm bleeding from self-inflicted knife wounds and taking his last breaths.
James Krumm was dead, Casper police chief Chris Walsh said.
"I can tell you the courage that was demonstrated by Mr Krumm was absolutely without equal," he said, adding that the instructor's actions could offer some measure of comfort to those affected by the killings.
A horrific story, and yet, the tenacity of Professor Krumm, even as he as he was mortally wounded with an arrow to his head, may have saved more than a few of his students from injury or death.
That is truly putting students first.