User blog comment:Oknight/Rewatching Downtime with Evil Kaldur/@comment-3462923-20111115172106/@comment-3465526-20111116014804

Earlier -- When Hook and Spider had him down and alone in Infiltrator -- its the only reasonable in-episode time it could have happened. Clone-Aqualad would have had to get the information about where Roquette was hidden from real-Aqualad's mind when they switched -- presumably through whatever technique (G-gnome?) they were using for their memory upload. -- It HAS to have happened before the end of Infiltrator when the Light has an operative "on the inside". Of course, the Aqualad stuff works if he ISN'T a clone and just always worked for the Light, but I don't buy them leaving the clone sample issue unused and Kaldur is too good a hero character to just toss away. -- though I have been wrong before.