Obi-Wan's HEARTBREAKING Thoughts During This Scene (CANON)

After Order 66 had been initiated by Darth Sidious, Yoda and Obi-Wan return to the Jedi Temple to alter the security beacon warning all surviving Jedi to stay away and go into hiding. While in the Temple, Obi-Wan learns the truth of what happened at the Temple during Operation Knightfall...