A moment of clarity?

Kennedy's research team unpacked what he calls typical trends: They identified 69 distinct street groups, comprising about 1,000 people. Of the 89 homicides, these 1,000 people – less than half a per cent of the city's population – were connected to more than 75 per cent of them.
http://www.thestar.com/News/World/article/418838

Hat tip to Deb Zendo: http://wheelgun.blogspot.com/2008/04/gun-bans-thats-what-people-do-when-they.html