John Gill Reformed Baptist @doctorgill

Then did they spit in his face,.... Not the judges, the members of the sanhedrim, but the servants of the high priest, and the officers that had Jesus in hold, and were the guard upon him; see Luk 22:63, who seeing him condemned as guilty of death, thought they might insult him at pleasure, and use him in the most indecent and barbarous manner; and...

Albert Barnes Presbyterian @notesbybarnes

Verse 66. What think ye? What is your opinion? What sentence do you pronounce? As president of the sanhedrim he demanded their judgment. He is guilty of death. This was the form which was used when criminal was condemned to die. The meaning is, he is found guilty of a crime to which the law annexes death.