So sad - Callen finds that, because of his automatic self-defensive behaviour, he had turned away a genuine approach from the little foster-sister he had lost and who is now dead. I think I knock off several points because of the character's seemingly complete lack of reaction to what most of us (I think) would regard as a deeply tragic incident, needing a clear storyline followup with Callen dealing with his guilt for the outcome and the final loss of his little sister. I'll take another point off for the goof I have flagged elsewhere - Callen's inability to pronounce Arkady's name correctly despite being fluent in Russian and having known him in Moscow.
