According to Chiang Chih-tai, assistant commander of the Guardians unit at the Chihai Residence from 1971 to 1982, they would occasionally receive reports which indicated that someone might be preparing to plant a bomb or otherwise threaten Chiang's safety at the National Day celebrations or other such public events.
一九七一到八二年在七海寓所，擔任侍警衛分遣組副組長的蔣志太表示，那時像國慶日等公開的場合，偶有情報來源指出，有人以炸彈或其他方式威脅經國先生安全。