Treason
From Tardis Wiki, the free Doctor Who reference
Treason was a criminal offence of betrayal of one's nation, planet, or other state. The penalty for treason was commonly death.
The criminal Slitheen family were forced off their home planet, convicted of high treason, as well as fraud and theft, by order of the High Council of Raxas Prime. They were sentenced to death. (TV: The Gift)
