Matthew Nelson is a vicim of the Box Tunnel 20 Massacre. In the Episode Lia, he appeared in Purgatory infront of Mitchell, to remind him of what he has done. Matthew was a park ranger at city center location in Sough. His mother lives near Swindon. Matthew always went there on sundays to have lunch there. He had a dog called Bruno whom he loved very much. Bruno was always with him, even at work, or when Matthew went to pubs. Bruno was Matthews best friend. On the day of the Box Tunnel 20 Massacre Bruno had an operation at the local vets, that's why he wasn't with Matthew. Bruno does not understand why Matthew doesn't come to him anymore, he is very sad.