Matthew 2:3-6
When Herod the king heard these things, he was troubled, and all Jerusalem with him.
Matthew 2:13
When they had departed, behold, an angel of the Lord appeared to Joseph in a dream, saying: Arise, and take the young child and his mother, and flee into Egypt, and be there till I bring you word; for Herod is about to seek for the young child, to destroy him.
Matthew 2:16
Then Herod, when he saw that he was deceived by the Magi, was greatly enraged, and sent out and slew all the male children that were in Bethlehem and in all its borders, from the age of two years and under, according to the time which he had strictly inquired of the Magi.