Every scholar of Christian history and origins who I have read are all unanimous on this point. The Christian gospels' position that it was the Jews who were responsible for Jesus' crucifixion is historically inaccurate. Crucifixion was a specifically Roman form of execution reserved for those who Rome saw to be seditious to the empire. In addition to being crucified, Jesus' cross bore the sign INRI, which is an abbreviation for Iesu Nazareno Rex Iudaeorum, or Jesus of Nazareth, King of the Jews. The original Jesus movement, the Jerusalem Church led by James the Just, the brother of Jesus, it seems, was actually a movement of Jewish resistance against Rome. But the later gospel writers, who were all folowers of Paul and his buddy and protege Luke, hijacked or co-opted the original Jewish Jesus movement and turned it into a new world religion that was geared mainly towards gentile, or Greco-Roman religious sensibilities. Mark, our first canonical gospel to be written, was written in AD 70. right after the Roman holocaust of Judea and the destruction of the Jerusalem Temple, which set the Jews on a centuries long diaspora. It also decimated the original Jerusalem Church of Jewish Christianity and provided a huge boost to Paul and his followers, with their revisionist history of Jesus and his message. These early Pauline Christians, for better or worse, had to survive in a Greco-Roman world; therefore, they tried to whitewash the Romans of as much guilt as they could in the crucifixion of Jesus - and pin the blame on the Jews instead.