...…
An hour after Shin and Leonard got abducted.
David was diligently serving his purpose as a distraction while waiting for the opposing organization to take the bait. He had been exploring the city at the other end of the Easter Sea Region alongside his three friends, acting as if they were investigating a case.
The underworld organizations were currently keeping an eye on him since he was one of the people that could threaten their operations at the most unexpected time. When they realized that they had been targeted by this person, it was already too late to retreat.
One of the best examples was the recent incident where the operation of the Hextech Laboratory was compromised, which also lead to a lot of their men being captured.