It was only when he died that the Roman centurion in charge of the execution recognized that Jesus was the Son of God.
Everyone
in the Gospel of Mark is incapable of recognizing who Jesus is, except
for John the Baptist, Peter (momentarily), and the Roman centurion at his
execution, and Peter’s moment of insight proved fleeting. Even the Baptist
began to question the identity of Christ when he was imprisoned by Herod
Antipas.