I think they should organize gladiator games or similar and let the gangs shoot the shit out of each other; they'll reproduce less new gangbanger brats and reduce their own population size at the same time.
Set them up like a maze in the middle of the stadium or build a fake town like the FBI has for training.
Televise it worldwide, I know a lot of guys who would watch it and pay $ for it.
Later they could have chick fights; fat ones v skinny ones.
"Tonight we have the Oakland 'big booty hoes' versus the Richmond 'hood rat hoochie mamas! This is going to be a great matchup!"
Happens with social media spread raves and parties. The speed dial drug dealers are included in the notifications, who then invite the armed ghetto wholesale. Trashing and firefights predictably ensue.
Kids in Pleasanton were in a cul de sac practicing their 'compassionate minority aka drug distributor acceptance' in well to do neighborhood in hills. Man steps out of home to inquire, and receives a compassionate beat down from said minority and winds up in a coma for eight month. Press barely covers it, won't reveal race etc. etc.
https://news.yahoo.com/sheriff-calls-deadly-shooting-airbnb-004529243.html