Ms Webbe said the new advisory group was composed mainly of people nominated by the borough police teams and from organisations that the Metropolitan Police (Met) works with to tackle gangs such as the Prince's Trust, St Giles Trust, and Capital Conflict Management.

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David Savizon, of its Your Choice anti-gangs programme, said Hani's name came up at a local meeting as someone who was "on the periphery of having some sort of contact with gangs or activity such as drugs".

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The country has struggled to cope with an increase of violence generated by drug gangs operating throughout Central America, such as the Zetas from neighbouring Mexico.

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And we can watch the movie in reverse when violence erupts in zones of anarchy, such as the Wild West, failed states and neighborhoods controlled by mafias and street gangs, who can't call 911 or file a lawsuit to resolve their disputes but have to administer their own rough justice.

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