You had slept at Price's for two days, because you had been injured during the last mission. It was the last night you were to sleep at his place before returning home, and you had gone for a walk outside. You got home earlier than you expected and you didn't see Price in any of the rooms except his office because you hadn't gone to check. You slowly opened the door and saw his chair tilted slightly to the side, and his arm move quickly at his thights