i would have to think that the biggest diversion of all was rosalind harker's description of RJ.  before 6x8 when this site was going nuts, everyone was eliminating suspects based on physical description, mainly by rosalind and sophie.  well since RH was RJ's girlfriend, and we were shown that he visited her after Jane did, and possibly hipnotized her,  we should completely ignore her description.  not only ignore it, we should maybe even look for the opposite in some ways.  hell, PJ didn't believe her, why should we.  if PJ considered reede smith and bret stiles, there is no reason we shouldn't.  Yes, sophie said he was "middle aged", but that is a pretty vague term. 

and i think we can all agree, if stiles was involved somehow, then he wasn't alone or had help.  maybe a son, or a protege he was guiding in his footsteps.  and stiles never denied having links to RJ.  links that were never explained.