| A | B |
| Ancient times | thousands of years |
| Greek Justice System | criminal answers to the State |
| Code of Hammurabi | provided writen legal guidance |
| lex talionis | an eye for an eye |
| The Eleven | Athens criminal commissioners |
| Law of Tweleve Tablets | 1st set of Roman Laws |
| Roman police organizations | praetorian guard, urban cohart, vigiles |
| Praetorian Guard | emperor's guards |
| Urban Cohort | delt with street crime |
| Draconian Code | very harsh Athen laws |
| Vigiles | firemen and night watchmen |
| Posse Comitatus | allowed to call men as assistance |
| Constable | British Police Officers |
| Shire Reeve | has police and judicial responsibilities |
| Magna Carta | means Great Charter |
| Theft Takers | bounty hunters |
| Peel's Principles | basic principles of policing |
| Bow Street Runners | plainclothes detectives |