Forbes' Top 10 Most Dangerous Cities

2 of 10: The Gateway arch towers over the St. Louis skyline on a dreary,rainy day, Thursday, Feb. 24, 2011 in St. Louis. The city of St. Louis lost nearly 29,000 people during the past decade, a decline of about 8 percent of its population.(AP Photo/Tom Gannam) (AP Photo/ Tom Gannam)

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