Titus Petronius Secundus (40–97) was a prefect

Praetorian prefect

Praetorian prefect was the title of a high office in the Roman Empire. Originating as the commander of the Praetorian Guard, the office gradually acquired extensive legal and administrative functions, with its holders becoming the Emperor's chief aides...

 of the Roman

Ancient Rome

Ancient Rome was a thriving civilization that grew on the Italian Peninsula as early as the 8th century BC. Located along the Mediterranean Sea and centered on the city of Rome, it expanded to one of the largest empires in the ancient world....

 imperial bodyguard

Bodyguard

A bodyguard is a type of security operative or government agent who protects a person—usually a famous, wealthy, or politically important figure—from assault, kidnapping, assassination, stalking, loss of confidential information, terrorist attack or other threats.Most important public figures such...

, known as the Praetorian Guard

Praetorian Guard

The Praetorian Guard was a force of bodyguards used by Roman Emperors. The title was already used during the Roman Republic for the guards of Roman generals, at least since the rise to prominence of the Scipio family around 275 BC...

, under emperor Domitian

Domitian

Domitian was Roman Emperor from 81 to 96. Domitian was the third and last emperor of the Flavian dynasty.Domitian's youth and early career were largely spent in the shadow of his brother Titus, who gained military renown during the First Jewish-Roman War...

, from 94 until 96. Prior to becoming Praetorian prefect, Petronius had served as governor

Roman governor

A Roman governor was an official either elected or appointed to be the chief administrator of Roman law throughout one or more of the many provinces constituting the Roman Empire...

 of the Egypt province from 92 until 93.

According to ancient sources, Petronius was among a number of government officials implicated in the conspiracy

Conspiracy (political)

In a political sense, conspiracy refers to a group of persons united in the goal of usurping or overthrowing an established political power. Typically, the final goal is to gain power through a revolutionary coup d'état or through assassination....

 which led to the assassination

Assassination

To carry out an assassination is "to murder by a sudden and/or secret attack, often for political reasons." Alternatively, assassination may be defined as "the act of deliberately killing someone, especially a public figure, usually for hire or for political reasons."An assassination may be...

 of Domitian on September 18, 96. Upon the accession of emperor Nerva

Nerva

Nerva , was Roman Emperor from 96 to 98. Nerva became Emperor at the age of sixty-five, after a lifetime of imperial service under Nero and the rulers of the Flavian dynasty. Under Nero, he was a member of the imperial entourage and played a vital part in exposing the Pisonian conspiracy of 65...

, he was dismissed as prefect and allowed to retire outside of Rome

Rome

Rome is the capital of Italy and the country's largest and most populated city and comune, with over 2.7 million residents in . The city is located in the central-western portion of the Italian Peninsula, on the Tiber River within the Lazio region of Italy.Rome's history spans two and a half...

. Support for Domitian however remained strong in the army. Dissatisfaction with the state of affairs ultimately led to a rebellion in which the Praetorian Guard, led by Casperius Aelianus

Casperius Aelianus

Casperius Aelianus, who served as Praetorian Prefect under the emperors Domitian and Nerva, was a Praetorian Prefect loyal to the Roman Emperor Domitian, the last of the Flavian dynasty...

, laid siege to the Imperial Palace and took Nerva hostage, forcing him to submit to their demands and hand over those responsible for Domitian's death. The revolt was successful and Petronius was murdered by the Praetorians.