John 11:49-52 provides the full context of Caiaphas's advice that one man should die for the people, which John 18:14 references.

John 11:50 records Caiaphas's original advice that one man die for the people, which John 18:14 summarizes.

Mark 14:53 shows the assembly of the high priest Caiaphas, the setting where the advice from John 18:14 became the basis for Jesus' condemnation.

Matthew 26:3 identifies Caiaphas as the high priest in whose palace the plot was formed, linking to his role in advising Jesus's death.

Luke 3:2 identifies Caiaphas as high priest, confirming the authority behind the advice in John 18:14.