В процессе Where do you get the key to this door, behind the Khorinis town hall?

[corrupter]

Where do you get the key to this door, behind the Khorinis town hall?
as seen in the screenshot

 

[n1kx]

The required key appears on the task judgment after talk with Andre.

The key will be on the fireplace in the judge's house or picklock 5 level.