Pierre's computer is locked with a six-digit code.
The hint is "P's birthday".
Amira will call Laetitia, who tries to fish something out of Pierre. His eldest is Patrick. Patrick turned eight on February 6th.
This is the low-spoiler guide for "The pin code to Pierre's computer" puzzle in Chinatown Detective Agency. Unlike in normal walkthrough, you get gradual hints on how to solve the puzzle. Click the big button below to see your first hint. If the hint contains a spoiler, you will be warned about it before clicking.