burned incense in the Ben-hinnom Valley, and burned his sons as an offering, following the detestable activities of the nations whom the LORD had expelled in front of the people of Israel.

He burned his sons as an offering in the Ben-hinnom Valley, practiced fortune-telling, witchcraft, sorcery, and communicated with mediums and separatists. He did a lot of things that the LORD considered to be evil, thus provoking him.