A TSO has never put hands on a passenger at my airport that I am aware of. If my assumption is correct, and LEOs are supposed to be within 1 minute of the checkpoint, then I assume one would have followed Aukai until LEOs could get on scene (or catch up), and based on the statements by the TSOs, I (personally) would have conducted a stop on Aukai and found out what it was he was refusing to produce out of his pocket. Aukai's suspicious behavior/actions + the statements by TSA about the bulge in his pocket = PC to stop/search.
Even if LEOs are further away, I have found in past cases that a TSA employee keeps his/her distance from the individual and follows them (while keeping constant observation) until LEOs can arrive and handle the situation.