Fascinating article on the crime rate--THIS ARTICLE is a must read. (Ron Unz, American Conservative, March 2010, "His-Panic") Below is an excerpt:
Personal experiences are no substitute for detailed investigation, but they sometimes provide a useful reality check. Since the early 1990s, I’ve lived in Silicon Valley, a region in which people of white European ancestry are a relatively small minority, separately outnumbered by both Asians and Hispanics, with many of the latter quite poor and often here illegally. On any given day, more than half of the people I encounter in Palo Alto are Hispanics from immigrant backgrounds. Yet my area of the country has exceptionally low crime rates and virtually no serious ethnic conflict. This confounds the expectations of many of my East Coast friends.
You should click on the link above and read the whole thing.