Tainan man arrested over threats against Tsai on PTTCOPYCAT THREAT? “If it was me I would also want to shoot and kill President Tsai Ing-wen,” the man allegedly wrote on Professional Technology Temple (PTT), the nation’s largest online bulletin board system. A screen grab shows a message posted by a man claimed to kill President Tsai Ing-wen. Photo courtesy of Tainan PolicePolice said that the man is also suspected of making threatening comments on PTT about Abe and the man suspected of killing the former Japanese leader in Naha, Japan, on Friday. Police said they ruled out the possibility that the man would seek to harm Tsai.