Athletic: Beltán helped create the Astros cheating system

This is intriguing.

From the Athletic

You can read more here.

So Beltrán wasn't just part of the system. He created it. How did he help come up with it if this is true? When he was on the Mets did he do anything like this with the team? Did he go on a search for a system after his infamous caught looking strikeout in the playoffs with the Mets? I want to know how far back this goes with him now?