The following section describes how to find out the code to a locked door in Future Defence Group HQ in Get Even. You will have to solve this puzzle while playing as Black in "Meeting with Rose". This takes place while exploring the Holmwood graveyard.
You will have to deal with this task right after you exit the park located by the Holmwood graveyard. You will find yourself at the back of the Future Defence Group building, and after searching this area, you will find a locked door with an electronic lock.
The very puzzle is easy once you find out how to deal with it. Use the UV lamp and scan the panel. The solution is based on a random scenario (the three digit code will be different each time). Start with the digit, on which the finger print is very visible and end with the least visible one. The presented example shows that the right combination is 694 (6 with the most visible finger print and 4 with the least visible one).