[dragonwriter]

> That statistic in skewed because most of the murders happen in the favelas within drug gangs

But that (with “favela” replaced with he appropriate local term for underclass neighborhoods) is true pretty much every city everywhere.

> City areas are ripe with petty crime but murder is perhaps as widely seen as London.

Yes, but “if you exclude our underclass neighborhoods, our murder rate is the same as City X including it's underclass neighborhoods” is not making the argument you seem to think it is.

[isostatic]

Some cities are dangerous in the posh neighbourhoods -- I wouldn't want to live in Johannesburg, where things like this [1] happen

Not something that happens in London, or New York, or St Louis or even Rio and Sao Paulo.

[1] http://www.eutimes.net/2012/07/south-african-family-dies-in-...