So, let's assume that 'shoe print' was involved in all four murders. It's possible he knew, Gerald, right? Is it also possible that he was an accomplice of D.J.K.?
That would explain the 9 post-mortem stab wounds in Ian Wallace. It's a continuation of the master's work.
But if he was D.J.K.'s helper, back in the day, why go quiet for 10 years and then suddenly start killing again?
Maybe he was doing time?
Catherine And when he realized that his old partner turned informant, he got scared and killed him.
Maybe that's what brought the old thrill back. Once these guys get a taste, it never seems to go away.
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