Using violent means to curb violence is guaranteed to fail. It can backfire with more violence.
Beating a child into submission, beating a child until you the adult are exhausted, will not bring about positive, sustained behavior change.
The same goes for lock downs and mass detainment. The article below gives an interesting global perspective on state-led crackdowns.
Grassroots, on-the-ground social intervention can transform communities. We desperately need sustained support for these programmes. Sustained social intervention has been proven time and time again to be cheaper and more effective than punitive aggression.