but supposed Him to be in the caravan, and traveled a day’s journey; and [then] they began searching [anxiously] for Him among their relatives and acquaintances.

Herod said, “I personally had John beheaded. Who is this man about whom I hear such things?” And he kept trying to see Jesus.

So he consented, and began looking for a good opportunity to betray Jesus to them [at a time when He was] separated from the crowd [because the people might riot or stop them from seizing Him].