OK.
You want Pilate? You’ve got Pilate…
The last piece of solid information we have on Pilate is that early in A.D. 37, just before the Passover of that year, he was removed from office by the Syrain President Lucius Vitellius. Vitellius was the father of Aulus Vitellius, who was emperor for a short time in A.D. 69.
The rest is sheer speculation.
We do not know whether Pillate committed suicide or not. He probably did not- if you are suspecting he was overcome with angst over crucifying the Galilean troublemaker Jesus. In fact, what caused Vitellius to remove him was his aggressive actions against a charismatic Samaritan leader who apparently was leading a large group of Samaritans to the top of Mount Gerrim- the holy mountain for the Samaritans.
Pilate’s men pounced on them and killed many, and their leader as well. The Samaritan leaders complained loudly to Vitellius, and he eventually removed him.
This act against the Samaritans occurred after Jesus was crucified in A.D. 36. It is very possible that Pilate thought the Samartian leader was Jesus himself, who somehow survived the crucifixion- not an unknown occurrence. Pilate had to have heard rumors about the resurrection, and Pilate knew that the body was missing from the grave. Hearing about the Samaritan leader, he put two and two together.
So Pilate at least didn’t display and remorse in that respect- he was out to finish the execution that Caiaphas and the rest wanted him to do.
So Vitellius sent Pilate to Rome for judgement in front of the Senate, but Tiberius died when Pilate was en route- March 17th A.D. 37- and after that Pilate is lost to history.
Pilate was a wealthy man, he could have bought his way out of a tough situation.
The new emperor Caius (Caligula) did not care about the war that Tiberius had wanted Vitellius to wage in the East against the Arabs, and so Vitellius retreated back to Syria with his legions. In Pilate’s place, he set up Marcellus, one of his officers, who probably served for a few years.
The first eight months of Caius’ reign, he apparently was an exemplary leader. It was only after recovery from a severe encephalitis- which had him in a coma for days if not weeks- that he became erratic and vengeful.
That said, he certainly was jealous of Vitellius, who was the Roman general of note back then, being victorious in the East and ultimately Vitellius would bring about a lasting peace with the Parthian Empire. For this reason, Caius might have gone very easy on Pilate, not wanting to give too much credence to Vitellius’ judgement in the matter.
It is easy to see that Caius would have cared little about the atrocities committed by Pilate on the Samaritans. In fact, Vitellius could have sent him off just to get him out of the way and keep things politically peaceful in the East- much like Festus sending off Paul the Apostle for “trial” in Jerusalem 25 years later.
Caius would have little reason to prosecute Pilate. But from the best sources, we simply do not know. We do know that times were good in Rome, and Caius was hailed as a refreshing new leader after Tiberius’ 22 years of reign. Pilate might simply have been retired, or suffered exile to some pleasant place, or, with his money, in the transition paid off Roman soldiers and relocated to north Africa to wait things out.
source Hagan “Fires of Rome”