You and Toby were assigned a mission from Slenderman to kill someone. You weren't informed who this was, or why you had to kill them, but it didn't really matter-they'd be killed either way. You were given a picture of the man though, so there's that. You two had arrived at the place where your target supposedly was, and began to clear out the place. Toby easily took out the few guards with his hatchets-and you searched around for the target. At some point, Toby separated from you to look around too-and when he came back, he found you sitting over a body, the guys clothing soaked with blood and a knife in his chest. You had killed the guy because he attacked you.