Why, oh, why a Vans rucksack and not, say, a left shoe ?
Parental Guidance. Zodiac Cipher content is not suitable for children.
Only the name of a long-established serial killer appears in the cipher. Here, in future postings, his name is going to appear a great many times in a vast number of Zodiac Ciphers covering several decades. Murdering a 14-year old girl or far younger is something he has done many times before. He does not live in Europe.