What did cole do to Peter in touching spirit bear?

In "Touching Spirit Bear" by Ben Mikaelsen, Cole Matthews brutally attacks Peter Driscal, a fellow student, in a fit of rage, resulting in Peter suffering serious injuries. This act of violence stems from Cole's deep-seated anger and frustration, which ultimately leads to his sentencing to a Native American Circle Justice program. The incident is a pivotal moment that sets the stage for Cole's journey of healing and redemption throughout the story.