There is another answer, once used by citizens in this country when the authorities couldn't handle the crime load: Committees of Vigilence.
A few street thugs hanging from light poles with their gold chains dangling around their necks might do wonders for peace in this community.
VIGILANTES AND VIGILANCE COMMITTEES. In sections of the Texas frontier where courts and jails had not been established or where officials and juries could not be depended upon, committees of vigilance were often formed to stamp out lawlessness and rid communities of desperadoes. Sometimes these secret bodies degenerated into mob rule or were used for private vengeance, but usually they were made up of law-abiding, responsible citizens who wanted only to maintain order and to protect lives and property. They operated against murderers, horse thieves, cattle rustlers, and those who held up stagecoaches and trains. Sometimes they acted without warning, but often they gave notice for offenders to leave. Those who failed to do so might be caught and hanged. As vigilantes usually operated at night and were not inclined to talk, their activities seldom had detailed public notice, but newspaper files and other chronicles indicate that they were active in many parts of Texas, especially in the two decades following the Civil War....