Doc Process And News Today

>> harrold pollack, codirector of the crime lab in chicago. what do we know about the crime in the last -- >> theres no one thing that explains it. but i think policing is better and i think theres no question that sort of the new york city innovative cops on the doc process and -- >> explain that what means. what changed about policing. this is the dominant story that gets told and then ill let you respond to it. >> new york city enlarged its police department and improved the management of it ...