That information comes from CS though. And he had not told the truth at all times.Thank you. I thought I read something like that weeks ago but wasn't sure.
So apparently they both saw other people. I don't see how CS could have known Kaitlin was capable of murder. I haven't seen anything in this case to suggest she was violent or even aggressive leading up to the murder.
While I agree that he is not a sympathetic character certainly he could not have foreseen the murder.