There's a camera in every device and a half dozen devices on every citizen. There are tracking implants in every cybernetic and location tags on every bullet. No stone goes unturned- and every stone is accounted for.
Violent crimes are cleared in 97% of cases.
The few cases that make it to trial result in a guilty verdict 98% of the time.
People are safer now than at any other time in history, and getting away with murder is nearly impossible.