"All they have to do is file a case. If you have a gripe and you think there is something wrong there, file a case, but I trust the guy. Kaya ko in-appoint 'yan. Kung wala ako kumpyansa sa taong 'yan, 'di ko [i-a-appoint] (That's why I appointed him. If I had no confidence in that person, I would not have appointed him)," Duterte said in a press conference in Malacañang.