I've heard it said it was either blasphemy or treason.
Neither of those killed Jesus. Jesus died because he was crucified on the cross.
People who are killed for believing in Jesus are called martyrs
Jesus
No specific person killed Jesus, but he was crucified on a vote of the people.
Jesus was killed on the cross on a hil called Golgotha. The cross was punishment for top criminals, It was brought by the Romans from Asia Minor , todays Turkey.
Who Killed the Baby Jesus - 1992 is rated/received certificates of: USA:R
The Romans sentenced and executed Jesus Christ.
No he didn't.
yes
Jesus was in the new testament and not the old testament.
No they were Romans.
The spear that killed Jesus is believed to have been lost or destroyed over time. It is not known for certain what happened to it after the crucifixion.