In some cases it is an offense by itself to plan or attempt to commit a crime; this in called an inchoate offense. Examples of inchoate offenses include conspiracy to commit murder and attempted burglary. There can be various causes of failing in the attempt, for example arrest prior to committing the crime.
... of time without a legitimate basis of authority.
The first to have the title of "Tyrant" was Pisistratus in 560 BC.
In modern times Tyrant has come to mean ...