Most of the minor crimes were to do with poverty and as such nobles, who had lots of money, were rarely convicted of minor crimes
If nobles were convicted of a major crime they would be given the option to go into exile rather than be executed
For slaves punishments were generally very harsh, with crucifixion being common as it sent out a message to any other slaves who might think about doing a similar thing
If one slave in a household was convicted of a crime then quite often all the other slaves of that household were executed with the criminal
Decimation
Killing every 10th man in the legion to discourage desertion from the army
The city of Rome was a busy and densely populated area, with rich Roman aristocrats living alongside poor Roman citizens and even slaves
Poverty and wealth
Can result in conflict, with poor people wishing to take what they want (or perhaps need) from the rich
Burglary and theft were common crimes, as the densely packed houses and properties in the city made it easier for opportunists to break in and escape
Slaves running away was a common crime, as slavery was legal and slaves were treated savagely
Fraud was common, with traders using underhanded methods to make greater profits, such as lying about the weights of products
Arson was a crime, as the hot, dry city with closely packed houses made fires more likely
Rioting was common, with rival chariot racing and other game fans clashing at the Colosseum
Murder was significant, as seeing other people brutally killed was a sport in ancient Rome
Slaves
Individuals who were owned by others and were forced to work without pay.