But in several cases, the country has also witnessed what appears to be excessive police force against protesters, reporters and bystanders. Video shows the officers breaking the windows of a vehicle and yanking a woman out of the car. In one 27-second video posted to Twitter, a New York Police Department vehicle plows through a crowd of protesters. And a third video shows an officer pushing a woman to the ground during protests. De Blasio has set up an independent review by the Corporation Counsel, the city's law department, and Department of Investigation commissioner.