The written law code, the Twelve Tables, was enforced by soldiers and vigiles
Common crimes were robbery, slaves escaping and being Christian
Punishments were whipping, fines, execution or decimation
Medieval:
The King and local lords made the laws
The town charter was a document bought by the town to run the town themselves
The local community, parish constable and watchmen enforced the law
Common crimes were treason and poaching
Punishments were fines, flogging, stocks and the pillary
Stocks - the wooden board with holes for your head and arms
19th Century (Industrialised Society):
The country's government made the laws
Peelers enforced the law
Common crimes were white-collar crimes, bank robbery and petty theft
Punishments were deportation to Australia, separation in prison and falling from a high height when being hanged
Modern Day:
The government, with the influence of public opinion and economic status, make the laws
The police, neighbourhood watch and specialised units (ex. drugs unit) enforce the law
Common crimes are cybercrime and terrorism
Punishments are probation, prison, community service, electronic tagging and youth detention centres. Death penalty was abolished from being a punishment.