KJV
Then Herod, when he saw that he was
mocked of the wise men, was exceeding wroth, and sent forth, and slew all the
children that were in Bethlehem, and in all the coasts thereof, from two
years old and under, according to the time which he had diligently inquired
of the wise men.
BSB
When Herod saw that he had been outwitted by the Magi, he was filled with rage. Sending orders, he put to death all the boys in Bethlehem and its vicinity who were two years old and under, according to the time he had learned from the Magi.