This page contains spoilers for the following products: Rise of the Runelords.
Source: Rise of the Runelords Anniversary Edition, pg(s). 380
Ibor Thorn is the sole operator of the Sandpoint Lumber Mill since the murder of his partner Banny Harker in 4707 AR by the Skinsaw Man. Thorn was the person to find the bodies of Harker and Katrine Vinder, Harker's girlfriend, in the mill.