A Picture is Worth 513 Murders
Check out this infographic from Red Eye Chicago. It maps where the cities 513 murders took place in 2012. The thing to keep in mind is, that's not one dot per murder, but one dot per block where a murder (or murders) took place. To get the full effect, they'd have to have used a lot more dots.
A lot more. That's a 15% increase just since 2011, when Chicago was still the nation's deadliest city.