Article content A motorist rammed a car into U.S. Capitol police on Friday and brandished a knife, killing one officer and injuring another and forcing the Capitol complex to lock down in an attack that police said did not appear to be terrorism-related. Police shot and killed the suspect. We apologize, but this video has failed to load. Try refreshing your browser, or One U.S. Capitol police officer killed, another injured after vehicle attack Back to video Yogananda Pittman, acting chief of the U.S. Capitol Police, said the suspect drove into the officers, then hit a barricade and got out of the vehicle, lunging at them with a knife.