KENNEWICK , Wash. -- Kennewick police have opened an investigation after a video was posted online showing an officer yelling at three people during a traffic stop.The following quotes are a transcript from part of that video."Officer: I wasn't even going to ask you.""Omar: Nah it's cool enough I got a clean record.""Officer: Yeah but you know I'm the guy that can make that record look dirty"The following is an unsettling interaction between three people in a car and the Kennewick officer who pulled them over, suspecting they were street racing."Officer: Shut up! You understand that?""Omar: Officer can I get your name?""Officer: Be quiet or you'll have my name all over a police report and your --- will be on your way to juvie."The video was taken last week on West Fifth Avenue, just after midnight.Omar Abarca was one of the three people in the car. Omar insists they weren't street racing. He claims they were test driving a car and had stalled it.