Although Obi-Wan knows more than both Anakin and Padmé due to the timing of his arrival and knows more still because of Ben's willingness to share, there is still so much left as a mystery. Ahsoka had been with Rex when things had gone so wrong for the Jedi, when whatever switch had been flipped inside the heads of the clone troopers, and he doesn't know how she fared.

He believes in her. She had always been strong and she was well trained, but Rex was strong, too. As was his entire squadron.

"We might need to tread lightly there," he admits. "With Rex and the others, should we see them again."