Singing

Carlo looked at the time, and the end of the bet was near. He had no time for this charade, so Carlo raised his hand and did some weird hand signs that looked like they had no meaning. This was the secret code Carlo and his men used that even Alex didn't know about.

He basically told his men, to not bother with Oliver, which was so clearly the distraction, and just find the two Amamami father and son that are hiding in this mall.

"Sending a secret signal to your men. You do know it's pointless now. No matter what you do at this point, we basically won already." Oliver proudly declared, which made Carlo frown.