Boston police chief: U.S. needs more security at big events

By Susan Heavey WASHINGTON (Reuters) – Main public situations in america just like the Boston Marathon need tighter safety but officials must steer clear of transferring toward a "police state," Boston's top cop mentioned on Thursday at a congressional hearing into ultimate month's bombing. Town's police commissioner, Edward Davis, known as for extra use of surveillance cameras and other expertise as well as unique police units and extra undercover officers as methods to provide extra safety. However the public's privacy must even be secure, he brought. …