The Nail Is Still Warm

The door to the rental apartment was locked from the inside. There were signs of injury on the head from striking the wall. A nail in the wall had pierced the victim's temple. They crawled to within 35 centimeters of the door before dying. From this, we can tell that after being pierced by the nail, the victim pulled it out themselves and tried to reach the door for help. Threads of blood cling to the nail, which is still warm...