User blog comment:LionRed/CP0 and the future/@comment-5962458-20130412104325/@comment-5888163-20130412183604

I think how they manage to identify CP0 easily because other marines and such knows that CP0 and other CP exist but only a handful of people knew the existance of CP9. Also they were wearing mask just like cp9 did in Water 7 which makes them stand out.