After the Saigon Coup when the freedom of the press was respected, he has established "Living Daily News" ("Nhật-báo Sống") at Hồ Xuân Hương Road (old Saigon) and started using pen name Chu Tử. In 1966, the Living was attacked by UBSV forces. On 16 April 1966, he was shot 4 with Colt 9 shots near his house (next Hoài An School, Phú Nhuận District, Saigon) but he was lucky to live. This event was which Saigon's public opinion doubted Việt Cộng but Republic of Vietnam's presses found out quickly the culprit being UBSV's rifle shot.