Personalities considered threats to President Marcos (Senators Benigno S. Aquino Jr., Jose Diokno, Francisco Rodrigo, and Ramon Mitra Jr., and members of the media such as Joaquin Roces, Teodoro Locsin Sr., Maximo Soliven and Amando Doronila) had already been rounded up, starting with the arrest of Senator Aquino at midnight of September 22, and going into the early morning hours of September 23, when 100 of the 400 personalities targeted for arrest were already detained in Camp Crame by 4:00 a.m.