Under their leader Charles Chang, the members of the Wildlife Protection Unit of the Council of Agriculture have been hunkered down for many days in Yunlin County's Suhu Rural Township with local government and police officials, monitoring the activities of Wu Wan-chiao. After they familiarize themselves with his schedule and habits, they decide to act.
農委會野生動物保育小組成員在組長張有長率領下，和地方政府、警察單位，於雲林縣四湖鄉守候多日、摸清吳萬教的作息後，決定採取行動。