He waited until they were in sight. He then fired off several shots, watching as the score on his hand went up. However, Kotetsu had actually guessed correctly and the score on his head went up as well (not by much, but it was a good lucky shot and Kaldur wouldn't notice until later).

After which he made a run for it, diving back into the pool's deep in and not coming back up. Good luck hitting him now guys.