Now at the festival he used to release a prisoner for them, anyone for whom they asked.
Now a man called Barabbas was in prison with the rebels who had committed murder during the insurrection.
So the crowd came and began to ask Pilate to do for them according to his custom.
Then he answered them, "Do you want me to release for you the King of the Jews?"
For he realized that it was out of jealousy that the chief priests had handed him over.
But the chief priests stirred up the crowd to have him release Barabbas for them instead.
Pilate spoke to them again, "Then what do you wish me to do with the man you call the King of the Jews?"
References for Mark 15:12
They shouted back, "Crucify him!"
Pilate asked them, "Why, what evil has he done?" But they shouted all the more, "Crucify him!"
So Pilate, wishing to satisfy the crowd, released Barabbas for them; and after flogging Jesus, he handed him over to be crucified.
Then the soldiers led him into the courtyard of the palace (that is, the governor's headquarters ); and they called together the whole cohort.
References for Mark 15:16