As some states like Utah look to put cops on the front lines of immigration enforcement, San Jose Police Chief Chris Moore and other prominent law enforcement officials warned Wednesday that using their shrinking pool of officers to target illegal immigrants is inefficient, costly and would make their cities more dangerous, not less. "I am looking at laying off 300 officers, so now more than ever I need to focus on partnerships with communities,'' Moore said during a national teleconference sponsored by the Police Executive Research Forum. "This (the issue of immigration enforcement) has become a wedge in our communities...