The Motive to Run Away

Two years after Russell disappeared, his parents found the pair of black boots he was wearing that day. This could mean two things - one isRussell had run away and then at some point went back to the holiday home in Ravenscar until he got his money up. Or another possibility is that maybe Russell wasn't wearing those black shoes on the day that he went missing. Maybe they have been in the holiday home this whole time. And third theory is that a third party was involved in his disappearance somehow. Be it that someone killed him, or someone kidnapped him,. whatever it is, his parents just believe that someone else had something to do with this. We'll get on to who or what