Omar Ramirez said his brother caught the fight on camera from the back seat of their vehicle. The recorded confrontation, which only lasts about 20 seconds, shows 20-year-old Ramirez punching another driver in the face because he cut him off on Interstate 15. Ramirez posted the alleged road rage incident, calling it "San Diego I-15 Freeway Road Rage Gone Bad."[RELATED STORY: Man posts video of road rage incident on I-15]
The California Highway Patrol is now investigating the case to see if there is sufficient evidence to file charges against Ramirez.
Watch CBS News 8 reporter Abbie Alford's video for the complete interview with Omar Ramirez.
The National Highway Traffic Safety Administration reports two thirds of all automobile-related deaths involve aggressive driving.
In San Diego County, a man in El Cajon was convicted of severely beating an elderly man for talking on his cell phone while driving and flipping him the bird. In another incident on Interstate 8, dash-cam video captured a truck flipping after an alleged hand gesture.