21 Times Trusted Historical Protectors Became the Villains

Emperor Tiberius wanted to escape the stress of Rome, so he retired to the island of Capri. He left his trusted guard commander, Sejanus, in total control of the capital city. Like you can imagine, he used his protective power to launch treason trials. He executed rivals and imperial heirs to clear his own path to the throne. By 31 CE, Tiberius finally realized his mistake and ordered the execution of his favorite protector.