User blog comment:Erockrule/Next Time On Young Justice " Darkest"/@comment-130.18.106.87-20120930223959/@comment-4928331-20121001021645

He ate snacks - loudly - when he was 'mourning' Artemis. Implying that he knows she isn't really dead. Logically, that means he knows Aqualad didn't really kill her dead.