confrontations, would direct officers to use the least amount of force necessary, and look to improve communication between officers and suspects during confrontations and it would double the number of officers with tasers by june of 2016. >> today the chicago police department is owning, embracing and publishing one of most meaningful changes in their history. obviously, we as a city have a lot of work to do. and the change won't be overnight. these policies are not the end of the challenge, they are the beginning of a challenge that chicago has faced for decades. >> emanuel has faced calls to resign since a dash cam video was released last month showing a 17-year-old laquan mcdonald being shot 16 times. the officer is charged with first-degree murder. he pleaded not guilty this weak. emanuel publicly apologized for mcdonald's death earlier this month. >> i am the mayor.