[sudosysgen]

The majority of theft is done by wealthy owners (wage theft), or by the police (civil asset forfeiture).

As for murders, most of them are from people you know, there is a vanishingly small chance that you are killed by someone that you do not know unless you yourself are a criminal.

But murders and beatings yes are an exception. Outside of times of war, where you again are likely to die or get seriously injured to protect the interests of the owner class.

Also, criminals are generally not prosecuted very often because it's not that important to the system that you get justice, really. With police, it's different, because it's not a question of not caring, but instead of actual accountability.