In JLA/Hitman #1 Kyle Rayner reveals to Batman offhandedly that he was drugged & raped by Bueno Excellente although all he remembered was someone saying Bueno over and over. It's never bought up again so I want Bruce figuring out it was Bueno who hurt Kyle and that the guy is still going after Kyle and protects Kyle from it, even gets the League to help if they see it as civilians
(DCU) Bueno Excellente Stalks Kyle Rayner