In 53, when Milo was candidate for the - consulship and Clodius for the praetorship, the two leaders met by accident on the Appian Way at Bovillae and Clodius was murdered (January 52).
After the fall of Vitellius he was saluted as Caesar, or prince imperial, by the troops, obtained the city praetorship, and was entrusted with the administration of Italy till his father's return from the East.
This Bestia is probably not the Lucius Calpurnius Bestia, aedile, and a candidate for the praetorship in 57.
He was raised to the praetorship by Pertinax (193), but did not assume office till the reign of Septimius Severus, with whom he was for a long time on the most intimate footing.
Lentulus was compelled to abdicate his praetorship, and, as it was feared that there might be an attempt to rescue him, he was put to death in the Tullianum on the 5th of December 63.