He was executed in the Roman Provence of Palestine by the Pharisees. The Jewish holy men whom Jesus upset by telling the people he was the son of God.<br />
The pharisees didn't want to lose monetary control of the temple. <br />
They brought him before Pilot the Roman governer for his decision since only the Romans could condemn someone to death.<br />
Pilot, not wanting to rock the boat in this unstable province did what Herod, the Jewish king asked the Romans to do.<br />
Pilot didn't want to execute him but feared a riot so he agreed.<br />
Crucifixion was a common method of execution and the Appian way in Rome had many people hanging on crosses at the time.
For our sins.
Thirty pieces of silver, I believe, was the sum paid by the Romans for Judas grassing him up
The 30 pieces of silver were paid by the Pharisees (Jewish Rabbi's) to find out where Jesus was located. It was paid to Judas, one of the apostles whom betrayed him.