He was killed the captain of his Praetorian guard,
This man conspired with his mother to collect enough evidence of his wife's adultery to get her exiled to Pandateria. His reign saw an huge increase in the practice of "delation," in which private citizens would act as prosecutors and collect a fraction of penalties. He was killed the captain of his Praetorian guard, (*) Macro, whom he had earlier enlisted in smuggling a letter to the Senate detailing the depradation of Macro's predecessor. First gaining fame for his recovery of legion standards in Parthia, this man, personally and through his nephew Germanicus, suppressed the revolt of Arminius, and towards the end of his life retired to his villa in Capri, emerging only to upset the conpiracy of Sejanus. For 10 points, identify this Roman emperor who followed Augustus.
This man conspired with his mother to collect enough evidence of his wife's adultery to get her exiled to Pandateria.
Tiberius Julius Caesar Augustus [or Tiberius Claudius Nero]